List of characters

==Main characters==
Gregory House, M.D. - Played by Hugh Laurie. Chief of Diagnostic Medicine at the fictional Princeton-Plainsboro Teaching Hospital. Specializes in infectious diseases and nephrology and a board certified diagnostician while also possessing an anti-social nature as well as an unwillingness to meet or treat his patients.
*John House (R. Lee Ermey) - His father
*Blythe House (Diane Baker) - His mother
**Thomas Bell (Billy Connolly) - His stepfather
*Dominika House née Petrova (Karolina Wydra) - His wife
James Wilson, M.D. - Portrayed by Robert Sean Leonard. Head of Oncology Department and House's only close friend.
*Sam Carr (Cynthia Watros) - His first wife and most recent girlfriend, a radiologist.
*Bonnie Wilson (Jane Adams) - His second wife, a real estate broker
*Julie Wilson - His third wife
*Danny Wilson - His younger brother
Lisa Cuddy, M.D. - Played by Lisa Edelstein. Dean of Medicine and hospital administrator of the fictional Princeton-Plainsboro Teaching Hospital in New Jersey. Seasons 1-7
*Arlene Cuddy (Candice Bergen) - Her mother
*Julia Cuddy (Paula Marshall) - Her sister
**Julia's husband (Jake Martin)
*Rachel Cuddy (Rylie Colbert and Kayla Colbert, with Emily Hahn playing an older version in a dream) - Her adopted daughter.
Eric Foreman, M.D. - Portrayed by Omar Epps. Replaced Cuddy as the Dean of Medicine in Season 8. Formerly House's fellow in neurology.
*Rodney Foreman (Charles S. Dutton) - His father
*Alicia Foreman (Beverly Todd) - His now deceased mother
*Marcus Foreman (Orlando Jones) - His brother
Robert Chase, M.D. - Portrayed by Jesse Spencer. His character was a part of the team of diagnosticians who worked under House until the end of the third season when House fires him. Robert Chase is the longest-serving member of House's staff.
*Rowan Chase (Patrick Bauchau) - His now deceased father.
*"Sis" - His baby sister.
Allison Cameron, M.D. - Portrayed by Jennifer Morrison. Specializes in Immunology and Internal Medicine. Seasons 1-6.
Chris Taub, M.D. - Portrayed by Peter Jacobson. He becomes a member of House's new diagnostic team in the Season 4 episode titled Games.
*Rachel Taub (Jennifer Crystal Foley) - His ex-wife
**Sophia Taub - Their daughter
**Phil (Mark Atteberry) - Rachel's new boyfriend.
*Ruby (Zena Grey) - His girlfriend
**Sophie Taub - Their daughter
Remy Beauregard "Thirteen" Hadley, M.D. - an Internist who is well known for being shrouded in mystery. She is portrayed by Olivia Wilde. She was portrayed by Julia Putnam in flashbacks. Seasons 4-8
*John Hadley (Christopher Stapleton) - Her father
*Brother Hadley - Her unnamed older brother
*Anne Hadley (Danielle Petty) - Her deceased mother
*Amy Hadley (Lydia Grote) - Apparently, her younger sister
*Amy (Jaclyn Jonet) - Her girlfriend
Lawrence Kutner, M.D. - Portrayed by Kal Penn. He became a member of House's new diagnostic team in Games. Seasons 4-5
*The Kutners - Richard and Julia, his adoptive parents.
Martha M. Masters (Amber Tamblyn) - A bright young medical student that Cuddy assigned to House to replace Thirteen. Season 7
Jessica Adams, M.D. - A doctor House met in prison and convinced her to follow him to PPTH. She is portrayed by Odette Annable. Season 8
Chi Park, M.D. - A neurology resident at PPTH who fell into House's orbit when she was suspended for punching her supervisor. She is portrayed by Charlyne Yi. Season 8
*Kwansik Park (Charles Rahi Chun) - Her father
*Mrs. Park - Her mother
*Popo (Saachiko) - Her grandmother
==Secondary Characters==
Edward Vogler (Chi McBride) - The hospital's chairman and most important donor. Season 1
Stacy Warner (Sela Ward) - House's ex-girlfriend. Seasons 1-2.
*Mark Warner (Currie Graham) - Stacy's husband who is suffering from pain & mood swings. Seasons 1-2
Michael Tritter (David Morse) - A police detective who House mistreats in the clinic. Season 3
Lucas Douglas (Michael Weston) - A private detective. Seasons 5-6
Juan "Alvie" Alvarez (Lin-Manuel Miranda) - House's bipolar roommate in the psychiatric hospital. Season 6
Darryl Nolan (Andre Braugher) - House's psychiatrist. Season 6
===Other Season 4 Applicants===
The Applicants
*Dr. Amber Volakis (Anne Dudek) - Interventional radiologist
*Dr. Jeffrey Cole (Edi Gathegi) - Geneticist, devout Mormon
*Henry Dobson (Carmen Argenziano) - Fake doctor
*Dr. Travis Brennan (Andy Comeau) - Infectologist
*Dr. Jodi Desai (Meera Simhan) - Former veterinarian
*The Twins (Melinda Dahl and Caitlin Dahl)
*Number 23 (Kathryn Adams)
*Dr. Ashka (Heather Fox) - A foreign trained doctor
*Dr. Mason (Jonathan Sadowski)
*Dr. O'Reilly (Jason Manuel Olazabal) - A wheelchair bound doctor
*Beautiful Doctor (#19) (Jaimarie Bjorge)
Main patients are in bold type
Recurring characters are in bold italic
Unseen characters are in italics
Other characters are in plain text
==Season 1==
===Pilot===
Rebecca Adler (Robin Tunney) - A kindergarten teacher
*Melanie Landon (Rekha Sharma) - One of her teaching colleagues
Orange Guy (Andrew Airlie) - House's first clinic patient. House suspects the patient's wife is having an affair. He's diagnosed with taking too many megavitamins. He later goes to Cuddy to try to have House fired.
Asthma Mom (Maya Massar) - A young mother who doesn't like it when her son uses steroids
*Asthma Boy (Dylan Basu) - Her young son
Molnar (Ethan Kyle Gross) - A tired clinic patient
===Paternity===
Dan (Scott Mechlowicz) - A high school lacrosse player with double vision
*Dan's Father(Robin Thomas)
*Dan's Mother(Wendy Gazelle)
Young Mother (Kylee Cochrane) - A mother who doesn't believe in vaccinations
John Funsten (Alex Skuby) - A litigious clinic patient
===Occam's Razor===
Brandon Merrell (Kevin Zegers) - A college student
*Mindy (Alexis Thorpe) - His girlfriend
*Robert Merrell (John Kelly) - His father
*Becky Merrell (Faith Prince) - His mother
Marco the Pharmacist (Marco Pelaez)
Jodi Matthews (Lauren Cohn) - A clinic patient who House figures is going to be fired soon.
===Maternity===
Baby Girl Hartig - A sick newborn
*Karen Hartig (Ever Carradine) - Her mother
*Ethan Hartig (Sam Trammell) - Her father
Baby Boy Chen-Lupino - Another sick newborn
*Kim Chen (Alexandra Bokyun Chun) - One of his mothers
*Judy Lupino (Melissa Marsala) - His other mother
Hospital Attorney (Cress Williams)
Dr. Lim (Kenneth Choi) - An obstetrician at PPTH
Dr. Kubisak (Ben Parrillo) - Another obstetrician
Jill (Hedy Burress) - A pregnant clinic patient who is not sure who the baby's father is
*Charlie (Dwight Armstrong) - Her husband, the possible father
Soap Opera Doctor (Marc Menard) - A character on Prescription Passion
Soap Opera Patient (Madison Bauer) - A character on Prescription Passion
===Damned If You Do===
Sister Mary Augustine (Elizabeth Mitchell) - A young nun with dermatitis
*Sister Mary Eucharist (Lucinda Jenney) - Another nun who thinks Augustine is faking
*Sister Mary Pius (Lori Rom) - A young nun who thinks Augustine has stigmata
*Mother Superior (Ann Dowd) - Augustine's superior
Marvin (Dakin Matthews) - A Santa Claus in the clinic with irritable bowel
CT Tech (Taji Coleman)
===The Socratic Method===
Lucy Palmeiro (Stacy Edwards) - A schizophrenic with deep vein thrombosis
*Luke Palmeiro (Aaron Himelstein) - Her son
Dr. Wells (Al Espinosa) - The emergency room doctor
Dr. Bergin (John Prosky) - A surgeon
Wendy (Veronica Leigh) - A young clinic patient who wants ice cream on her birthday
*Terri (Lilas Lane) - Her calorie conscious mother
Clark (David Vegh) - A patient with hiccups
===Fidelity===
Elise Snow (Myndy Crist) - A patient with hypersomnia
*Ed Snow (Dominic Purcell) - Her husband
*Adam (Brennan Elliott) - Ed's jogging partner and Elise's lover
*Jacques (Henri Lubatti) - Elise's boss
Samantha Campbell (Clementine Ford) - A buxom clinic patient.
===Poison===
Matt Davis (John Patrick Amedori) - A high school senior
*Margo Davis (Roxanne Hart) - His mother
Chi Ling (Ulysses Lee) - A younger student with the same symptoms as Matt
*Chou-Young Ling (Jim Lau) - His father
*Jen Ling (Linda Wang) - His mother
Bus Driver (Andy Milder) - The school bus driver for Matt and Chi
Georgia Adams (Shirley Knight) - An older clinic patient with fantasies about younger men
*Mark Adams (Kurt Fuller) - Her son
===DNR===
John Henry Giles (Harry J. Lennix) - A famous jazz musician with ALS
*Cora (Chloe Webb) - His manager
*Marty Hamilton (David Conrad) - His neurologist and Eric Foreman's mentor during his residency
*Ross (Michael Oberlander) - His lawyer
Willie (Mike Starr) - A diabetic clinic patient with erectile dysfunction.
Process Server (Courtney Henggeler)
Judge Winter (Victor Raider-Wexler) - The judge who hears House's application to keep John Henry alive until his assault trial.
Morris (Rif Hutton) - House's lawyer
Brandy Norwood - As herself
===Histories===
Victoria Madsen (Leslie Hope) - A homeless woman
*Paul Furia - Her late husband
*James Furia - Her deceased son
Julia (Smith Cho) - A medical student
Chris Dewey (Ogy Durham) - A medical student
Jodi (Leslie Karpman) - The woman who the students are assigned to take a medical history of
Angela Whitney (Suzanne Ford) - A plastic surgery follow up getting in the way of Victoria's MRI
*Dr. Terhag - Her plastic surgeon
Shelly Diamond (Bonnie Perlman) - A mother with several potential clinic patients. House fakes a cold to get away from her.
Officer Gilmar (Larry Clarke) - The police officer who returns Victoria to the hospital
===Detox===
Keith Foster (Nicholas D'Agosto) - A high school student with bleeding issues
*Mr. Foster (Mark Harelik) - His father
*Pam (Amanda Seyfried) - His girlfriend
*Jules - Their recently deceased cat
Lawrence Hourani (Maurice Godin) - A surgeon
Ingrid (America Olivo) - House's masseuse
===Sports Medicine===
Hank Wiggen (Scott Foley) - A famous baseball pitcher
*Lola Wiggen (Meredith Monroe) - His wife
*Warner Fitch (Art LaFleur) - His coach
Sharon (Salli Richardson-Whitfield) - A pharmaceutical rep who is sleeping with Foreman
Bryan Singer - As himself, directing Hank's commercial
===Cursed===
Gabriel Reilich (Daryl Sabara) - A young boy who thinks he's going to die
*Jeffrey Reilich (Nestor Carbonell) - His father, a major donor to the hospital
*Sarah Reilich (Tracy Middendorf) - His mother
Sam (R.J. Root) - A clinic patient with a numb left hand
===Control===
Carly Forlano (Sarah Clarke) - The young CEO of a cosmetics company
*Robin (Vivian Bang) - Her assistant
Ricky van der Meer (Joshua Miller) - A young clinic patient
*Mr. van der Meer (Andrew Borba) - His mute father
Ron Simpson (Ron Perkins) - An orthopaedic surgeon and member of the board
Jenny (Sunny Mabrey) - A radiology resident
===Mob Rules===
Joey Arnello (Joseph Lyle Taylor) - A mob informant
*Bill Arnello (Danny Nucci) - His brother, a lawyer
Henry (A.J. Trauth) - A man babysitting his baby brother
*Henry's Baby Brother - A clinic patient with a habit of shoving things up his nose
===Heavy===
Jessica Simms (Jennifer Stone) - An obese 10 year old girl
*Mrs. Simms (Cynthia Ettinger) - Her mother
*Dr. Linkowitz - Her referring physician
*Clementine (Alyson Morgan) - Jessica's 8th grade peer counsellor
*Mr. Conroy (Teddy Lane Jr.) - Jessica's phys ed teacher
*Mrs. Ayers (Karen Goberman) - Jessica's teacher
Lucille Hernandez (Susan Slome) - A Rubenesque woman with a large benign tumor
*Mr. Hernandez (Ramon Franco) - Her loving husband
===Role Model===
Gary H. Wright (Joe Morton) - A senator running for president
Susan (Missy Crider) - A divorced woman who claims not to be having sex
Nurse (Bobbin Bergstrom)
===Babies & Bathwater===
Naomi Randolph (Marin Hinkle) - A pregnant woman
*Sean Randolph (Michael Goorjian) - Her husband
Officer Davis (S.E. Perry) - The officer who pulls them over
Olive Kaplan - A seemingly malnourished infant
*Joel Kaplan (Michael Simpson) - Her father
*Rachel Kaplan (Natalie Shaw) - Her mother
Gail Friedman (Diane Sellers) - A social worker
Hayden Brown (Guy Camilleri) - A clinic patient with hemorrhoids
===Kids===
Mary Carroll (Skye McCole Bartusiak) - A 12-year-old diver
*Mr. Carroll (Dylan Kussman) - Her father
*Mrs. Carroll (Kelly Kirklyn) - Her mother
*Coach Stahl (Eddie McClintock) - Her coach
Brenda Previn (Stephanie Venditto) - The hospital's head nurse
Dr. Yule - Cameron's possible new boss
The candidates to replace Allison Cameron were:
*Roger Spain (Ben Jelen)
*Petra Gilmar (Erin Foster)
*Arlene Marks (Shari Headley)
===Love Hurts===
Harvey Park (John Cho) - A masochistic patient
*Annette Raines (Christina Cox) - His dominatrix
*Clyde Park (Keone Young) - His estranged father
*Marilyn Park (Elizabeth Sung) - His mother
Aubrey Shifren (Matt Malloy) - The hospital's attorney
Ramona (June Squibb) - An elderly woman with an overactive lover
*Myron (Peter Graves) - Her paramour
===Three Stories===
The Farmer (Brent Briscoe) - A farmer with a puncture wound in his leg
*Cujo - His pet dog
Volleyball Player (Andi Eystad) - A teenage girl with tendonitis
Mid 30s man (James Saxenmeyer) - A patient with a history of drug seeking behavior
Carmen Electra - Filling various roles in the flashbacks
Dr. Riley - The usual lecturer who has used a lot of sick days
And in the audience of medical students:
*Keen Student (Josh Zuckerman)
*Caring Student (Nicole Bilderback)
*Rebellious Student (Andrew Keegan)
===Honeymoon===
Ambulance Driver (Mark Hames) - The paramedic who arrives just after Mark is drugged by House
==Season 2==
===Acceptance===
Clarence (LL Cool J) - A death row inmate suffering from hallucinations
Dr. Nolo - A cardiologist who House describes as a worthless drunk
Cindy Kramer (Christie Lynn Smith) - A clinic patient who seems to have terminal cancer
===Autopsy===
Andie (Sasha Pieterse) - A 9-year-old cancer patient
*Pam (Jewel Christian) - Her mother
Brad (Randall Park) - A clinic patient who attempted a self-circumcision
Dr. Murphy (William Jones) - A neurosurgeon
Morty Randolph - A cadaver that the surgeons practice the procedure on
Motorbike Salesman (Jonathan Fraser)
===Humpty Dumpty===
Alfredo (Ignacio Serricchio) - Cuddy's handyman
*Manny (J.R. Villarreal) - His younger brother
*Luisa (Christine Avila) - His mother
Robert (Charles Robinson) - An African-American clinic patient with high blood pressure
===TB or Not TB===
Sebastian Charles (Ron Livingston) - A famous tuberculosis doctor
Cecilia Carter (Andrea Bendewald) - A clinic patient who thinks she has cancer
Mandy (Mary Wickliffe) - A clinic patient who is allergic to her mother's cat
===Daddy's Boy===
Carnell Hall (Vicellous Reon Shannon) - A young graduate of Princeton University
*Ken Hall (Clifton Powell) - His father
*Taddy (Wil Horneff) - One of his college friends
===Spin===
Jeff Forrester (Kristoffer Polaha) - A famous cyclist
*Moira (Taraji P. Henson) - His manager
Louise Harper (Alanna Ubach) - A psychiatrist who is treating both Mark and Stacy Warner
Allen (Tom Lenk) - An ex-smoker with diarrhea
===Hunting===
Kalvin Ryan (Matthew John Armstrong) - A man suffering from AIDS
*Michael Ryan (Wings Hauser) - His estranged father
Infection Control Officer (Hamilton Mitchell)
Steve McQueen - House's pet rat
===The Mistake===
Kayla McGinley (Allison Smith) - A young mother with intense stomach pain
*Sam McGinley (Ryan Hurst) - Her brother
*Dory McGinley (Sammi Hanratty) - Her daughter
*Nikki McGinley (Adair Tishler) - Her daughter
Dr. Ayersman (John Rubinstein) - A transplant surgeon
*Mrs. Ayersman (Kate Enggren) - His wife
Dr. Schisgal (John Lafayette) - The head of the disciplinary committee
Chuck (Greg Winter) - A clinic patient with no health insurance
===Deception===
Anica Jovanovich (Cynthia Nixon) - A woman who collapses at the OTB
Dr. Imelda (Xhercis Mendez) - A hospital pathologist
Hailey (Nell Rutledge) - A clinic patient with a poor understanding of contraception
===Failure to Communicate===
Fletcher Stone (Michael O'Keefe) - A famous journalist
*Elizabeth Stone (Erica Gimpel) - His wife
*Greta (Mimi Kennedy) - His editor
Peter Foster (Bruce French) - A Medicare review officer
Dr. Taylor - A neurologist House passed over for a fellowship before he hired Foreman
Delores Smith - A former patient of House who was prescribed Viagra
===Need to Know===
Margo Dalton (Julie Warner) - A busy mother and businesswoman
*Ted Dalton (Edward Kerr) - Her husband
*Stella Dalton (Elle Fanning) - Her daughter
===Distractions===
Adam (James Immekus) - A burn victim
*Emily (Lisa Darr) - His mother
*Doug (Christopher Cousins) - His father
Philip Weber (Dan Butler) - The man who got House expelled from Hopkins
Anesthesiologist (Michael Merton) - Adam's anesthesiologist
Paula (Kristen Pate) - A prostitute
===Skin Deep===
Alex (Cameron Richardson) - A teenage supermodel
*Martin (Tom Verica) - her father
George (James DuMont) - A man exhibiting pregnancy symptoms
*Pregnant Woman (Karis Campbell) - His wife
===Sex Kills===
Henry Arrington (Howard Hesseman) - A 65 year old man
*Amy Arrington (Keri Lynn Pratt) - His daughter
*Cecile Arrington (Jean St. James) - His ex-wife
Laura Neuberger (Kitty Kreidler) - A 40 year old accident victim and possible organ donor
*Ronald Neuberger (Greg Grunberg) - Her husband
Ellen Stambler (Yvette Nicole Brown) - The woman from the organ procurement agency
Tony (Adam Busch) - A young patient with a hot stepmother
*Tony's Stepmom (Brianna Konefall)
===Clueless===
Bob Palko (Eddie Mills) - A photographer
*Maria Palko (Samantha Mathis) - His wife
Vincent Lambert (Peter Birkenhead) - A clinic patient with herpes
*Charlotte Lambert (Stephanie Erb) - His wife
Wilson's Maid (Yareli Arizmendi)
===Safe===
Melinda Bardach (Michelle Trachtenberg) - A young heart transplant recipient
*Barbara Bardach (Mel Harris) - Her mother
*Lewis Bardach (Lance Guest) - Her father
*Dan (Jake McDorman) - Her boyfriend
*Melinda's Cardiologist
===All In===
Ian Alston (Carter Page) - A young boy with bloody diarrhea
*Sarah Alston (Laura Allen) - His mother
*Alan Alston (Mackenzie Astin) - His father
Esther Doyle - A deceased 73 year old patient who House failed to diagnose 12 years previously
===Sleeping Dogs Lie===
Hannah (Jayma Mays) - A young woman with severe insomnia
*Max (Dahlia Salem) - Her partner
Mrs. Ling (Alice Lo) - A middle aged Chinese clinic patient
*Anne Ling (Julia Ling) - Her teenage daughter and translator
===House vs. God===
Boyd (Thomas Dekker) - A young faith healer
*Walter (William Katt) - His father
Grace Palmieri (Tamara Braun) - A cancer patient
House's poker buddies
*Bus Stop Guy (David Cheaney)
*Tax Accountant (Michael Edwin)
*Dry Cleaner (Marco Martinez)
===Euphoria (Parts 1 and 2)===
Joe Luria (Scott Michael Campbell) - A police officer
Babyshoes (Chioke Dmachi) - The thief Luria was chasing
Rose (Amber DeMarco) - A young clinic patient who may have epilepsy
*Claire (Leigh Allyn Baker) - Her overly concerned mother
===Forever===
Kara Mason (Hillary Tuck) - A young mother
*Brent Mason (Kip Pardue) - Her husband
*Michael "Mikey" Mason - Their infant son
===Who's Your Daddy?===
Leona (Aasha Davis) - A young hurricane Katrina survivor
*Dylan Crandall (D.B. Sweeney) - Her biological father, and an old friend of House
Max (Owen Pearce) - A young clinic patient with an unusual rash
*Max's Mother (Tuffet Schmelzle)
Patrick Linehan (Christopher Carley) - A sperm donor
===No Reason===
Vince (Chris Tallman) - A man with a severely swollen tongue
*Judy (Michelle Clunie) - A hallucination House thinks is Vince's wife
Jack Moriarty (Elias Koteas) - A man who shoots House
==Season 3==
===Meaning===
Richard McNeil (Edward Edwards) - An uncommunicative cancer survivor
*Arlene McNeil (Kathleen Quinlan) - His wife
*Mark McNeil (Carter Jenkins) - His son
Caren Krause (Clare Kramer) - A young woman who can't move her legs
===Cane & Able===
Clancy Green (Skyler Gisondo) - A young boy who thinks he's being stalked by aliens
*Todd Green (Johnny Sneed) - His father
*Stephanie Green (Sheryl Lee) - His mother
===Informed Consent===
Ezra Powell (Joel Grey) - A research scientist
Ali (Leighton Meester) - A 17 year old who develops an infatuation with House
*Mark (William Charlton) - Her father, a clinic patient
===Lines in the Sand===
Adam Kelvey (Braeden Lemasters) - A young autistic boy
*Dominic Kelvey (Geoffrey Blake) - His father
*Sarah Kelvey (Heather Kafka) - His mother
Laura Smith (Kat Sawyer) - A clinic patient who has a stool sample
Thomas Williams (Johnny Crear) - A clinic patient with no back pain
===Fools for Love===
Tracy (Jurnee Smollett) - A young woman
*Jeremy (Ricky Ullman) - Her husband
Nurse Wendy (Kimberly Quinn) - Eric Foreman's girlfriend
===Que Será Será===
George (Pruitt Taylor Vince) - A morbidly obese coma patient
*Sophie (Mary Elizabeth Ellis) - His neighbour
Howard Gemeiner (Kadeem Hardison) - House's lawyer
John (Cooper Thornton) - A clinic patient whose arm hurts when he sleeps on it
===Son of Coma Guy===
Kyle Wozniak (Zeb Newman) - A young alcoholic
*Gabriel "Gabe" Wozniak (John Larroquette) - His father, a recent coma patient
Mrs. Shaffer (Holly Kaplan) - The woman Wilson makes a pass at in the casino
Fake House (Jonathan Strait) - The man who sets up House's alibi
===Whac-A-Mole===
Jack Walters (Patrick Fugit) - A young pizza place worker
*Kama Walters (Cassi Thomson) - His younger sister
*Will Walters (Tanner Blaze) - His younger brother
===Finding Judas===
Alice Hartman (Alyssa Shafer) - A young girl with skin rashes
*Rob Hartman (Christopher Gartin) - Her father
*Edie (Paula Cale) - Her mother, Rob's ex-wife
Judge (Jodi Long)
===Merry Little Christmas===
Abigail Ralphean (Kacie Borrowman) - A teenage girl of short stature
*Maddy Ralphean (Meredith Eaton) - Her equally short statured mother
Little Girl (Shyann McClure) - A girl with an ambiguous stuffed animal
Clinic Doctor (Michael Medico) - A doctor at St. Sebastian's hospital
Mr. Zebalusky - A terminal cancer patient
*Mrs. Zebalusky (Teddy Vincent) - His wife
===Words and Deeds===
Derek Hoyt (Tory Kittles) - A firefighter
*Brock Hoyt (Jason George) - His brother
*Amy (Meagan Good) - Derek's colleague
At the rehabilitation clinic
*Neil (Donald Sage Mackay) - The therapist
*Ivan (aka Voldemort) (Brian Leckner) - The orderly
In Court
*ADA Velez (Vyto Ruginis)
*Judge Helen Davis (Helen Carey)
===One Day, One Room===
Eve (Katheryn Winnick) - A young rape victim
Hiccupping Patient (Nick Slatkin)
Dr. Stone (Michelle Gardner) - A rape counsellor
Patient One (Randy Evans) - A young man with STD symptoms
Patient Three (Bryna Weiss) - An older woman with STD symptoms
Nose Patient (Roger Ainslie) - A well dressed man with nose fungus
Beauty (Kristen Glass) - A patient who costs House $10
Kid (Drew Matthews) - A young man who swallowed a kitchen magnet
*Father (Sean Christopher Davis) - His father
Ear Patient (Todd Sandler) - A man with an insect in his ear
===Needle in a Haystack===
Stevie Lipa (Jake Richardson) - A young Roma man
*Franklin Lipa (Rob Brownstein) - His father
*Judy Lipa (Arabella Field) - His mother
*Leah (Jessy Schram) - His girlfriend
Jack (Tyrace Richardson) - A young boy trying to avoid school
*Kate (Tasha Taylor) - His mother
Julie Whitner (Wendy Makkena) - A handicapped research physician
Dr. Chen (Hira Ambrosino) - An anesthesiologist
===Insensitive===
Hannah Morgenthal (Mika Boorem) - A teenager with CIPA
*Abby Morgenthal (Jenny Robertson) - Her mother
Don Herrick (Josh Stamberg) - Cuddy's date
===Half-Wit===
Patrick Obyedkov (Dave Matthews) - A musical savant
*Dr. Obyedkov (Kurtwood Smith) - His father
Heels patient (Kendra Cover) - A suspiciously thin clinic patient
===Top Secret===
John Kelley (Marc Blucas) - A Gulf War veteran
Gina (Annie Quinn) - A clinic patient who drinks a lot of water
===Fetal Position===
Emma Sloan (Anne Ramsay) - A pregnant photographer
Tyson Ritter - As himself
===Airborne===
Fran (Jenny O'Hara) - A wild woman in her fifties
*Robin (Meta Golding) - A prostitute
*Carrington - Her cat
Peng (Jamison Yang) - A Korean passenger
Keo (Tess Lina) - The flight attendant
Joy the Blonde (Krista Kalmus) - A young woman passenger
Businesswoman (Gayla Goehl) - A passenger with herpes
*Businessman (Ben Carroll) - Her companion, who by coincidence is carrying medicine for herpes
House's backup team
*Hamid (Pej Vahdat) - As Foreman
*12-Year-Old Boy (Connor Webb) - As Chase
*Sour Faced Woman (Melissa Kite) - As Cameron
===Act Your Age===
Lucy (Bailee Madison) - A young girl with symptoms of a woman ten times her age
*Deran (Erich Anderson) - Her father
*Jasper (Slade Pearce) - Her older brother
*Janie (Carla Gallo) - The children's afterschool day care worker
Eddie (Joel Moore) - A bladder shy clinic patient
===House Training===
Lupe (Monique Gabriela Curnen) - A frequently unemployed young woman
===Family===
Matty (Dabier) - A young man who is the only bone marrow match for his sick brother
*Nick (Jascha Washington) - His older brother suffering from leukemia
*Scott (Thomas Mikal Ford) - Their father
*Claudia (Adina Porter) - Their mother
Hector - James and Bonnie Wilson's dog
===Resignation===
Addie (Lyndsy Fonseca) - A young college student
*Jody (Eve Gordon) - Her mother
*Tony (Tony Spiridakis) - Her father
Steve Howard (Tracy Howe) - A young man with floating stool
*Honey (Piper Perabo) - His girlfriend
===The Jerk===
Nate (Nick Lane) - A rude teenager
*Enid (Colleen Flynn) - His mother
Doug (David Bowe) - A sunburned clinic patient
*Mark (Dustin Joiner) - His son
===Human Error===
Marina Hernandez (Mercedes Renard) - A Cuban woman
*Esteban Hernandez (Omar Avila) - Her husband
Dr. Cuddy's class
*Student One (Tiya Sircar)
*Student Two (John Bobek)
==Season 4==
===Alone===
Megan Bradberry (Bevin Prince) - A trauma victim
*Mrs. Bradberry (Kay Lenz) - Her mother
*Ben (Conor Dubin) - Her boyfriend
*Liz Masters (Liliya Toneva) - Her co-worker, injured in the same event
*Doug (Shannon McClung) - Liz's boyfriend
Leon aka Dr. Buffer (Pat Millicano) - The hospital janitor
Sam Lee (Ken Takemoto) - A cancer patient
===The Right Stuff===
Greta Cooper (Essence Atkins) - A prospective astronaut
===97 Seconds===
Thomas Stark (Brian Klugman) - A wheelchair bound patient
Mark Allmore (Charlie Hofheimer) - A man who has had a near death experience
Foreman's colleagues at New York Mercy
*Dr. Schaffer (Kathleen York) - Foreman's boss
*Female Fellow (Mary Kate Schellhardt)
*Handsome Fellow (Reynaldo Rosales)
*Latino Fellow (Douglas Spain)
===Guardian Angels===
Irene (Azura Skye) - A funeral home cosmetician
*Connie (Caroline Lagerfelt) - Her mother
*Martin (Jerry Hauck) - Her co-worker
Foreman's interviewers
*Dr. Pilcher (Tom Wright)
*Dr. Brady (Scott Alan Smith)
===Mirror Mirror===
Mr. X (Frank Whaley) - A patient who acts like whoever is around him
===Whatever It Takes===
Casey Alfonso (Amy Dudgeon)
*Lou Alfonso (Thomas F. Wilson) - Her father
John (Joel Bissonnette) - A sick CIA Agent
At the CIA
Samira Terzi (Michael Michele) - The attending physician
*Sidney Curtis (Holmes Osborne) - A renowned immunologist
*CIA Agent Smith (Chad Willett)
===Ugly===
Kenny Arnold (Khleo Thomas) - A young man with a severe facial deformity
*Joe Arnold (Michael Whaley) - His father
*Darnell (Laurie Fortier) - The documentarian
Plastic Surgeon (David Campbell) - Taub's former partner
===You Don't Want to Know===
Flynn (Steve Valentine) - A magician
===Games===
Jimmy Quidd (Jeremy Renner) - A punk rock musician
*Ian (Alex Weed)
*Fred (Nick McCallum)
*Chris (Eli Bildner)
*Rex (Justin Brannock)
McKenna (Matt DeCaro) - Wilson's misdiagnosed cancer patient
===It's a Wonderful Lie===
Maggie (Janel Moloney) - A young mother
*Jane (Liana Liberato) - Her daughter
*Roger (Anthony Starke) - Her lover
Melanie (Jennifer Hall) - A clinic patient who House identifies as a prostitute
===Frozen===
Cate Milton (Mira Sorvino) - A research psychiatrist stationed at the South Pole
*Seth (Jeffrey Hephner) - The station's mechanic
===Don't Ever Change===
Roz (Laura Silverman) - A newlywed Hassidic Jew
*Yonatan (Eyal Podell) - Her husband
===No More Mr. Nice Guy===
Jeff (Paul Rae) - A man who seems too nice to exist
*Deb (Chad Morgan) - His wife, a nurse at the hospital
===Living The Dream===
Evan Greer (Jason Lewis) - The actor who plays Brock Sterling on Prescription Passion
*Marie (Kristina Anapau) - One of his co-stars
Jamie Conway (Rob Benedict) - An inspector from the accreditation board
===House's Head===
Bus driver (Henry Hayashi) - The bus driver in a bus crash
Woman in Black (Ivana Miličević) - A woman in House's visions of the bus
Bartender (Fred Durst) - The bartender at the bar where House was earlier that night
Stripper (Jennifer Lee Wiggins)
===Wilson's Heart===
Dr. Richmond (Dan Desmond) - Amber's attending at Princeton General
==Season 5==
===Dying Changes Everything===
Lou (Christine Woods) - A personal assistant
*Patty Michener (Jamie Rose) - Her boss
===Not Cancer===
Apple (Felicia Day) - A mathematics professor
Frank (Eric Kaldor) - An old man who received a transplant from the same donor as Apple
*Frank's Wife (Elaine Kagan)
The other transplant recipients
Holly (Aimee Bell) - The tennis player
Danny (Dennis Kieffer) - The MMA fighter
*Rico (David Anthony Buglione) - The losing MMA fighter
Morgan (Michael Gaines) - The crane operator
Tibalt Olyyant (Mark Beltzman) - The music teacher
===Adverse Events===
Brandon (Breckin Meyer) - An artist with perception problems
*Heather (Marika Dominczyk) - His girlfriend
*Anthony (Drew Powell) - A dissatisfied client
**Susan (Sarah Knowlton) - Anthony's Wife
===Birthmarks===
Nicole (Samantha Quan) - A Chinese adoptee
*Janice (Christine Healy) - Her adoptive mother
*Bob (Scott Paulin) - Her adoptive father
*Fang Dong Wen (Ho-Kwan Tse) - Her Chinese translator
*Wu Zheng (Raymond Ma) - Her biological father
*Wu An Lan (Esther Kwan) - Her biological mother
Sheriff Costello (Jack Conley)
===Lucky Thirteen===
Spencer (Angela Gots) - Thirteen's one night stand
===Joy===
Jerry Harmon (Salvator Xuereb) - A product tester
*Samantha Harmon (Joanna Koulis) - His daughter
Becca (Vanessa Zima) - The mother of Cuddy's prospective adopted baby
===The Itch===
Stewart Nozick (Todd Louiso) - An agoraphobic tech manual writer
===Emancipation===
Sophia Isabel Velez (Emily Rios) - An emancipated minor
Jona (Kyle Silverstein) - A four-year-old boy and Foreman's first solo case
*Melinda (Alexandra Lydon) - His mother
*Evan (Nathan Gamble) - His eight-year-old brother
===Last Resort===
Jason (Željko Ivanek) - A desperate patient with an undiagnosed condition
Bowman (Wood Harris) - The chief tactical officer during the hostage taking
The Hostages
*Oliver (Evan Peters) - A teenage boy and the last non-doctor hostage
*Bill (Evan Jones) - The pregnant woman's husband
*Mitch (Marcus Chait) - The man Jason shoots
*Larry (Alex Sol) - The migrane patient
*Nikki (Sarah Thompson) - The red haired woman
*Sandra (Natasha Gregson Wagner) - The pregnant woman
*Nurse Regina (Tracy Vilar) - The nurse
===Let Them Eat Cake===
Emmy (Samantha Shelton) - A fitness guru
Janice Burke (Lori Petty) - A Huntington's patient in Foreman's clinical trial
Deedee (Becky Baeling) - An actress House hires to bust Kutner's second opinion website
===Joy to the World===
Natalie Soellner (B.K. Cannon) - A sick teenager and Rachel Cuddy's biological mother
*Simon (Lucas Till) - Her friend from school and Rachel's biological father
*Mrs. Soellner (Sherilyn Fenn) - Natalie's mother
*Mr. Soellner (Michael Leydon Campbell) - Natalie's father
Whitney (Bitsie Tulloch) - A pregnant woman who claims never to have had sex
*Geoff (John Forest) - Her skeptical fiancé
Squatter (Christopher DeMaci) - A man living in an abandoned home
*Woman (Marissa Ingrasci) - His companion
Jonathan (Ben Shields) - The man Kutner bullied in high school
===Painless===
Jeff (Martin Henderson) - A man suffering from chronic pain
*Zach (Jake Cherry) - His son
*Lynne (Sarah Danielle Madison) - His wife
===Big Baby===
Sarah (Erika Flores) - A special needs teacher
===The Greater Good===
Dana Miller (Judith Scott) - An assistant chef and former oncologist
===Unfaithful===
Daniel Bresson (Jimmi Simpson) - A priest at a mission
*Ryan (Jake Thomas) - A boy who accused him of improper behavior
===The Softer Side===
Jackson Smith (Dominic Scott Kay) - A boy who was born with ambiguous sexuality
*Melanie Smith (Julia Campbell) - His mother
*Joseph Smith (Ben Reed) - His father
Ian (Nick Puga) - A clinic patient with a broken finger
===The Social Contract===
Nick Greenwald (Jay Karnes) - A book editor who can't stop saying what he thinks
*Audrey Greenwald (Susan Egan) - His wife
*Marika Greenwald (Darcy Rose Byrnes) - His daughter
*Timothy Moore (Devon Michaels) - The author he's working with
===Here Kitty===
Morgan West (Judy Greer) - A nurse at an elderly care facility
*Debbie - The cat that predicts death
Neil Zane (Christopher Moynihan) - A man claiming to be an old friend of Taub's
===Locked In===
Lee (Mos Def) - A patient with locked-in syndrome
*Molly (Faune A. Chambers) - His wife
*Jolie (Skye Barrett) - His daughter
*Drake (Scotty Noyd Jr.) - His son
*Dr. Kurtz (John Kapelos) - His first attending physician
===Simple Explanation===
Charlotte Novack (Colleen Camp) - A middle-aged woman
*Eddie Novack (Meat Loaf) - Her terminally ill husband
Rosabel (Taylor Hardick) - A young pageant contestant
*Katherine (Debbie Campbell) - Her mother
Nurse Anne (Liz Benoit)
===Saviors===
Doug Svensen (Tim Rock) - An environmental activist
*Franni Svensen (Lindsey McKeon) - His wife
===House Divided===
Seth Miller (Ryan Lane) - A deaf high-school wrestler
*Ellie Miller (Claire Carey) - His mother
*Laura (Treshelle Edmond) - His girlfriend
Karamel (Becky O'Donohue) - A stripper
===Under My Skin===
Penelope (Jamie Tisdale) - A ballerina
*Jeremy (Alex Schemmer) - Her boyfriend and co-star
===Both Sides Now===
Scott (Ashton Holmes) - A man with alien hand syndrome
*Annie (Maria Thayer) - His wife
Eugene Schwartz (Carl Reiner) - A clinic patient who squawks
==Season 6==
===Broken===
Psychiatric Hospital Patients
*Juan "Alvie" Alvarez (Lin-Manuel Miranda)' - House's bipolar roommate
*Steve Alcartine (Derek Richardson) - A PTSD patient with delusions
*Richter (Curtis Armstrong) - A paranoid
*Susan (Angela Bettis) - A suicidal patient
*Hal Connor (Jack Plotnick) - A man who likes Haldol
*Diane (Artemis Pebdani) - A patient with self-esteem issues
*Jay-Bird (Alex Desert) - A claustrophobe
*Duane "Stomp" Milbrett (Dale E. Turner) - An uncommunicative patient
*Annie "Silent Girl" Bohm (Ana Lenchantin) - A withdrawn patient
Psychiatric Hospital Staff
*Darryl Nolan (Andre Braugher) - Head of department
*Dr. Beasley (Megan Dodds) - Head of Ward 6
*Anthony Medina (Andrew Leeds) - Assistant physician
Lydia (Franka Potente) - Annie's sister-in-law and frequent visitor
===Epic Fail===
Vince Pearson (Rick D. Wasserman) - A video game developer
Cecile (Freda Foh Shen) - A woman from House's cooking class
===The Tyrant===
President Dibala (James Earl Jones) - An African dictator
*Ruwe (Garikayi Mutambirwa) - A man who attempts to kill Dibala
*Joseph Ntila (Roger Aaron Brown) - Dibala's aide
*Dibala's Son (Jarell Dubose) - Dibala's estranged youngest son, attending Princeton University
*Ama (Kelsey Scott) - A woman who is enlisted to provide blood serum
Murphy (David Marciano) - Wilson's angry neighbor
===Instant Karma===
Jack Randall (Tanner Maguire) - A sick young boy
*Roy Randall (Lee Tergesen) - His wealthy father
*Dr. Johnson (Tim Kahle) - His personal physician
===Brave Heart===
Donny Compson (Jon Seda) - A reckless police detective
*Cheryl (Alexandra Barreto) - His ex-girlfriend
*Michael (Samuel Carman) - His biological son
On Rounds
*Dr. Singh (Sanjay Madhav) - The supervising physician
*Anne Ayala (Taira Soo) - A student
*Dex (Marcus Toji) - Another student
*Marta (Samantha Colburn) - A student with insight about Huddy
Priest (Doug McKeon) - A Catholic priest
===Known Unknowns===
Jordan (Annabelle Attanasio) - A patient who can't tell the truth
*Derek Retzinger (Eric Lutes) - Her father
*Michelle Berkley (Holly Gagnier) - Her mother
*Phoebe (Bianca Collins) - Her best friend
*Jeffrey Keener (Marcus Giamatti) - Her favorite comic book author
===Teamwork===
Hank Hardwick (Troy Garity) - A famous porn star
*Lexa (Jolene Blalock) - His porn star wife
*Rick (Ben Giroux) - His director
In Taub's office
*Mr. Klingman (Paul Hayes) - An obese man
*Phyllis (Deborah Quayle) - A woman concerned about her crow's feet
===Ignorance is Bliss===
James Sidas (Esteban Powell) - A brilliant physicist
*Dara Sidas (Vicki Davis) - His wife
Ed Beringer (Larry Cedar) - A bookstore owner
Jeffrey Sparkman (Patrick Price) - A male nurse at PPTH
Dianna (Cheryl Carter) - A clinic patient House was nice to impress Cuddy
Ronnie (Andrea Gabriel) - An insurance company spy
===Wilson===
Tucker (Joshua Malina) - A cancer survivor and friend of Wilson's
*Ashley (Marnette Patterson) - His girlfriend
*Melissa (Katherine LaNasa) - His ex-wife
*Emily (Jessica Whitaker) - His daughter
Del Wilson (Willie C. Carpenter) - One of Wilson's cancer patients
Saul Koplowicz (Robert Katims) - Another of Wilson's cancer patients
Juan (Gil Espinoza) - House's patient with lung problems
Sandy (Christina Vidal) - Wilson's assistant
===The Down Low===
Mickey (Ethan Embry) - An undercover police officer
*Eddie (Nick Chinlund) - A drug dealer
Nora (Sasha Alexander) - Wilson and House's new neighbour
===Remorse===
Valerie (Beau Garrett) - A psychopath
*Bill (Shane Edelman) - Her husband, a social worker
*Russ Smith (Joseph Culp) - Her co-worker
*Norris (James McCauley) - Her boss
Lorenzo Wibberly (Ray Abruzzo) - A former classmate of House's
Jose (Jaime Alvarez) - Wilson's clinic patient
===Moving the Chains===
Daryl (Da'Vone McDonald) - A college football player
*Glenda (Denise Dowes) - His mother
Jim Dunnagan (Trever O'Brien) - A clinic patient trying to avoid military duty
===5 to 9===
Mr. Plutus - House's unseen patient
At Atlantic Net Insurance
*Eli Morgan (Anthony Tyler Quinn) - The contract negotiator
*Keith Tannenbaum (Patrick St. Esprit) - The CEO
In the pharmacy
*Stan (Mark Espinoza) - The head pharmacist
*Oscar Silva (Jeremy Howard) - Pharmacy technician
*Gail (Celia Finkelstein) - Pharmacy technician
Sanford Wells (Nigel Gibbs) - Chairman of the Board
Dave Thomas (John Lacy) - Chief Surgeon
Martin Acevedo (Bernardo Verdugo) - A patient who is suing the hospital
*Ronald Westbrook (J.D. Jackson) - His lawyer
Claudia (Rajni Kareer) - The call center supervisor
Hall (Kim Estes) - A cancer patient looking for breast milk
Masseuse (Tara Rice)
===Private Lives===
Frankie (Laura Prepon) - A blogger
*Taylor (Adam Rothenberg) - Her boyfriend
Nurse Belinda (Elena Evangelo)
===Black Hole===
Abby Nash (Cali Fredrichs) - A high school senior
*Nick (Nick Eversman) - Her boyfriend
**Artie (Dennis Boutsikaris) - Nick's father
*Young Abby (Callie Thompson)
Maya (Danna Brady) - A physiotherapist who likes Taub
===Lockdown===
Nash (David Strathairn) - A terminally ill classics professor
Sarah Luzinski (Riki Lindhome) A new mother
*Donald Luzinski (Neill Barry) - Her husband
*Walker Luzinski (Riley Thomas Stewart) - Her son
Daria (Dava Krause) - The cafeteria cashier
===Knight Fall===
Sir William (Noah Segan) - A Renaissance Fair performer
*King Miles (Wes Ramsey) - William's friend and fellow performer
*Queen Shannon (Sarah Jones) - Miles' fiance
Apothecary (Ryan Radis)
Sarah (Carey Embry) - A transvestite
===Open and Shut===
Julia (Sarah Wayne Callies) - A woman in an open marriage
*Tom (Rob Evors) - Her husband
*Evelyn (Erica Teeple) - Her daughter
*Damien (Charlie Weber) - Her current lover
===The Choice===
Theodore Philip Taylor (Adam Garcia) - A young man preparing to get married
*Nicole Margaret Murray (Eva Amurri) - His bride to be
*Cotter Macklin (Jonathan Murphy) - His ex-roommate
===Baggage===
Sidney Merrick (Zoe McLellan) - A woman with no memory
*Jay (David Monahan) - Her husband
===Help Me===
Jay Dolce (Doug Kruse) - A crane operator
*Dolce's Wife (Kimberly M. Bailey)
Hanna (China Shavers) - A woman trapped in a collapsed building
*Charles (Desean Terry) - Her husband
EMT Coumont (Angel Oquendo)
==Season 7==
===Now What?===
Dr. Richardson (George Wyner) - A very ill neurosurgeon
Alex (Chris Conner) - Cuddy's newest assistant
Malkin (Matt Salinger) - The man from the Department of Public Hospitals
===Selfish===
Della (Alyson Stoner) - A young skateboarder
*George (Dwier Brown) - Her father
*Claire (Stephanie Courtney) - Her mother
*Hugo (Cody Saintgnue) - Her older brother, suffering from muscular dystrophy
Maurice (Murray Gershenz) - A centenarian clinic patient
*Sidney (Allan Rich) - His son
Ernest (Sean Smith) - The head of Human Resources
Vincent (Reggie De Leon) - A cafeteria worker
===Unwritten===
Alice Tanner (Amy Irving) - A famous writer
*Jack Cannon (John Bain) - Her character, which she imagines seeing
*Christina (Seidy Lopez) - Her housekeeper
Very Hot Woman (Allison Ochmanek) - Chase's date
===Massage Therapy===
Margaret McPherson (Erin Cahill) - A young wife
*Billy McPherson (Zachary Knighton) - Her husband
Kelly Benedict (Vinessa Shaw) - Chase's choice for Thirteen's replacement
Brandi (Jamie Tompkins) - House's masseuse/hooker
===Unplanned Parenthood===
Kayla - A very sick newborn baby
*Abbey (Jennifer Grey) - Her mother
*Justine (Gabrielle Christian) - Her much older sister, a lawyer
Christina Fraser (Charlene Amoia) - Foreman's short lived choice for Thirteen's replacement
Dr. Cheng (Keiko Agena) - A pediatrician and Taub's choice for Thirteen's replacement
===Office Politics===
Joe Dugan (Jack Coleman) - A campaign manager
*Harold Anderson (Pat Finn) - His boss, a New Jersey senator
===A Pox on Our House===
Julie (Hayley Chase)- A teenage girl, recently back from diving in the Bahamas
*Lulu (Samantha Smith) - Her mother
*Niles (Andrew Fiscella) - Her stepfather, who has the same symptoms
*Roger (Aaron Refvem) - Her stepbrother
Dave Broda (Dylan Baker) - The contagious disease specialist from the CDC
Geerte (Tess Kartel) - The team's Dutch translator and webcam girl
===Small Sacrifices===
Ramon Silva (Kuno Becker) - A man who re-enacts the crucifixion
*Marisa Silva (Madalyn Horcher) - His daughter, a cancer survivor
Chase's girls
*Nika (Kayla Ewell)
*Kenzie (Stella Maeve)
===Larger than Life===
Jack (Matthew Lillard) - The subway hero
*Eva (Sprague Grayden) - His wife
*Daisy (Shyloh Oostwald) - His daughter
===Carrot or Stick===
Driscoll (Sasha Roiz) - A drill camp instructor
*Landon Parks (Tyler James Williams) - One of his charges
Chase's other girls
*Wynn Phillips (Rachel Melvin) - Sanford Wells' niece
*Bree (Maite Schwartz) - The prankster
===Family Practice===
Marty Kaufman (Ben Bode) - The hospital's head of internal medicine
===You Must Remember This===
Nadia (Tina Holmes) - A woman with perfect biographical memory
*Elena (Claire Rankin) - Her estranged sister
Female Lawyer (Suze Cote)
===Two Stories===
Phillip Wright (Willis Chung) - A student at Rutgers University
At the school
*Zachary Taylor (Austin Michael Coleman) - Smooth guy
*Colleen (Haley Pullos) - The object of his affection
*Gabe (Logan Arens)
*Alex (Michael Chey) - The naive one
*Sophie (Tiffany Espensen)
*Timmy Morgan (Matthew Haddad) - The movie fan
*Ms. Washburn (Joyce Greenleaf) - The monitor
*Dave Dryden (Jarret Wright) - The ad man
*Receptionist (Aubrey Manning)
*Ms. Corwin (Brittany Ishibashi) - The teacher
*Ms. Fields (Erika Alexander) - The principal
Carmen (Gwen Mihok) - The clinic patient
Nurse Laura (Sheena Zadeh) 
===Recession Proof===
Bert Eskey (Adrian LaTourelle) - A former property developer
*Diane Eskey (Ashley Jones) - His wife
===Bombshells===
Ryan (Brett DelBuono) - A troubled teenage boy
*Kay (Lesley Fera) - His mother
*Todd (Ken Garito) - His father
===Out of the Chute===
Lane (Chad Faust) - A rodeo bull rider
Carnell (Cleo Berry) - A helpful bellhop
House's women
*Alexia (Kristin Peterson)
*Isabella (Kristina Anderson)
*Emily (Noelle Bellinghausen) - The Hurdy Gurdy player
*Anke (Katie Stegeman)
*Sarah (Candace Kita) - The target
*Ruth (Kristen De Luca)
*Elizabeth (Leanne Wilson)
===Fall From Grace===
Danny Jennings (Chris Marquette) - A homeless man
===The Dig===
Brian (Terry Maratos) - A junior high school science teacher
*Nina (Kimberlee Peterson) - His wife, a hoarder
Harold Lam (Justin Chon) - House's rival in a spud gun contest
===Last Temptation===
Kendall Pearson (Michelle DeFraites) - A 16-year-old competitive sailor
*Paige Pearson (Bridgett Newton) - Her mother
*Bobby Pearson (Gerald McCullouch) - Her father
Donovan (Jennifer Landon) - Masters' roommate
Cruz (Tommy Savas) - Masters' classmate
===Changes===
Cyrus Harry (Donal Logue) - A recent lottery winner
*Phil (David Costabile) - His cousin and limo driver
*Jennifer Williams (Megan Follows) - The love of his life
Lawyer (David A. Kimball) - Arlene Cuddy's lawyer
===The Fix===
Wendy Lee (Linda Park) - A rocket scientist
*Ceaser (Kevin Daniels) - Her boyfriend
*Tony (John T. Woods) - Her ex-boyfriend
*Glenn (Drew Cohn) - Her potential new boyfriend
Terry Foley (Kevin Phillips) - A washed up boxer
Dr. Riggin (Brian Huskey) - A research scientist working on muscle regrowth
===After Hours===
Darrien McCurdy (Amy Landecker) - A former prisoner
*Andre - The boyfriend who stabbed her
Dina (Kendra Andrews) - A stripper
Bobby the Bouncer
===Moving On===
Afsoun Hamidi (Shohreh Aghdashloo) - A performance artist
*Luca (James Hiroyuki Liao) - Her assistant and former boyfriend
Jerry Barrett (Thom Bishops) - Cuddy's latest date
==Season 8==
===Twenty Vicodin===
Nick - (Sebastian Sozzi) - A low level drug dealer
Dr. Sykes - (Thom Barry) - The senior doctor in the infirmary
Mendelson - (Jude Ciccolella) - The head of the white supremacist gang
*Sullivan (Michael Bailey Smith) - His henchman
Stomper (Mars Crain) - A huge African-American prisoner
Nurse Kathy Hostetter (Bianca DeGroat) - the dispensing nurse
C.O. Alvarez (Wayne Lopez) - One of the better guards
Frankie (Michael Massee) - House's friend and chess partner
Rollo (Nate Mooney) - A petty thief
Warden Delaire (Michael Paré) - Head of the parole board
*Case Worker (Pamela Shaddock) - Another member of the board
Porter (Jaleel White) - The prison entrepreneur
Curtis Asofa (Kaleti Williams) - House's cellmate
===Transplant===
Stevie Weathers - At present, just a pair of donor lungs
*Mr. Weathers (Bruce McKenzie) - His grieving father
Vanessa (Liza Snyder) - A dying cancer patient in need of a lung transplant
*Theresa (Heather McComb) - Her sister
*Bobby (Ralph Garman) - Her ex-boyfriend
Betty (Michele Marsh) - The orthopaedic clinic doctor
*Technician (Kamall Shaikh) - Her muscle
Mike Pinto (Jimmy Stathis) - One of the consultants and the current owner of House's chair
===Charity Case===
Benjamin Byrd (Wentworth Miller) - A rich philanthropist
*Kate Byrd (Joanna Strapp) - His wife
Trina (Toni Trucks) - A social worker
Clancy (Niko Baur) - A young man who is enjoying his neighbour's pool
*Carol (Rene Hamilton) - His mother
===Risky Business===
Thad Barton (Michael Nouri) - A rich industrialist
*Ainsley Barton (Alexie Gilmore) - His daughter
Dr. Morgan (Jade Carter) - An orthopedic surgeon
Mark Andrews (Ben Lemon) - Park's old boss
Simon (Jun Hee Lee) - A man in a conjoined twins costume
===The Confession===
Bob Harris (Jamie Bamber) - A leading small town citizen
*Denise Harris (Heather Stephens) - His wife
*David Harris (Blake Bertrand) - His son
*Sally Harris (Natalie Dye) - His daughter
Mayor Collins (E.E. Bell)
Cindy (Carlie Casey) - The beauty queen
===Parents===
Ben Parker (Harrison Thomas) - A birthday clown
*Janey Parker (Elizabeth Lackey) - His mother
*Ron Parker (Kovar McClure) - His stepfather
*Mitchell Gordon (Jim Gleason) - His estranged biological father
Vince (Jack N. Harding) - A man who doesn't understand tracking anklets
Monroe (John Scurti) - A clinic patient who's sure he has diabetes
*Sandy (Kathe Mazur) - His wife
Jim Lampley - The boxing commentator, as himself
===Dead & Buried===
Iris (Madison Davenport) - A moody teenage girl
*Faye (Sarah Aldrich) - Her mother
Drew Lemayne - A long deceased boy
*Emory Lemayne (Channon Roe) - His father
*Mickey Darro (Julie McNiven) - His mother
**Ray Darro (Alex Quijano) - Mickey's new husband
*Mickey's father (Robert Pine) - Drew's grandfather
Milton (David Wells) - The cemetery caretaker
===Perils of Paranoia===
Tommy (Vincent Spano) - A paranoid district attorney
*Olivia (Amanda Foreman) - His wife
Anita (Yaya DaCosta) - A woman at Foreman's gym
Mariel Wilkerson (Rachel Sterling) - A clinic patient
Ethan (Blake Anderson) - Clinic patient and petty thief
===Better Half===
Andres Tavares (Ivo Nandi) - A sick Alzheimer's patient
*Natalie Tavares (Melanie Lynskey) - His wife
*Joseph (Ryan Alosio) - His wife's boyfriend
*Dr. Banerjee (Roma Chugani) - His primary care physician
Kayla (Corri English) - A woman in an asexual marriage
*Randy (Brian Skala) - Her husband
Mr. Laffont (Ian Gregory) - The tracking anklet technician
===Runaways===
Callie Rogers Bridgit Mendler) - A homeless runaway (Patient Of The Week)
*Ellen Rogers (Darlene Vogel) - Her estranged mother
*Fake Dad (Mark Hengst)
Sheldon (Brad Carter) - A clinic patient dressed as a Confederate general
*George (Kai Lennox) - His brother, also in Confederate uniform
Adele Brown (Zylan Brooks) - A social worker
===Nobody's Fault===
Bill Koppelman (David Anders) - A chemistry teacher
*Emily Koppelman (Audrey Marie Anderson) - His wife
Walter Cofield (Jeffrey Wright) - The head of neurology at New York Mercy
===Chase===
Moira Parker (Julie Mond) - A young woman who plans to become a nun
*Sister Joan (Valeri Ross) - Her chaperone
Chase's girlfriends
*Cindy (Jessica Luza)
*Leisha (Kandis Erickson)
===Man of the House===
Joe Reese (Jake Weber) - A popular marriage expert
*Marlene Reese (Rena Sofer) - His wife
Nate Weinmann (Jose Zuniga) - The INS investigator
Calvin Ayres (John Gloria) - House's immigration lawyer
===Love is Blind===
Will Westwood (Michael B. Jordan) - A blind man
*Melissa (Margo Harshman) - His girlfriend
===Blowing the Whistle===
Brant Macklin (Arlen Escarpeta) - An army private charged with treason
*Hayes Macklin (Sharif Atkins) - His brother, an army captain
*Joni Macklin (Kristy Johnson) - Hayes' wife
*Evan Macklin (Sayeed Shahidi) - Hayes' son
*Major Mathewson (Albert Owens) - the officer in charge of Brant's security detail
Mel (Steve Nevil) - A clinic patient with a nasal infection
*Gloria (Lindsay Zappala) - his girlfriend
Jason (Adam Cagley) - A drunk clinic patient
===Gut Check===
Bobby Hatcher (Greg Finley) - A minor-league hockey enforcer
Duncan (Will Shadley) - Wilson's long lost son
Szabo (Christian Lalonde) - An older hockey player, past his prime
===We Need the Eggs===
Henry (Kevin Christy) - A man who cries blood
*Amy (Nik Isbelle) - His former real girlfriend and the model for his current "girlfriend"
*Molly (Amy Davidson) - His neighbor
Wendy Jacobson (Alexis Raben) - Taub's new girlfriend
Harris (George Sharperson) - Emily the prostitute's supposed fiance
Micah (Patrick Stump) - A man who likes Park
The Applicants
*Butter Scotch (Elizabeth J. Carlisle) - The redhead who can't make cappuccino
*Fawn (Malana Lea) - The brunette with bad taste in Woody Allen movies
*Cindy (Elle Carpenter) - The contortionist and juggler
*Debbie (Beckie King) - The one who guesses Henry is gay
===Body and Soul===
Lue (Riley Lennon Nice) - A young boy of Hmong heritage
*Lida (Samantha Cutaran) - His mother
*Xang (George Cheung) - His paternal grandfather
===The C Word===
Emily Lawson (Rachel Eggleston) - a 6-year-old with a severe genetic disease
*Elizabeth Lawson (Jessica Collins) - her mother, a geneticist
*Simon Lawson (Chris McKenna) - her father
Michael A. Kondo (Art Chudabala) - Wilson's oncologist
John Taylor (Gabriel Suttle) - A former patient of Wilson's
===Post Mortem===
Peter Treiber (Jamie Elman) - A hospital pathologist
Dr. Penza (Peter Weller) - a doctor at the hospital
On the road
*Ina (Carol Herman) - A lady waiting for a bus
*Helen (Carole Gutierrez) - The waitress with a big steak
*Molly (Jennifer Christopher) - The waitress in the threesome
===Holding On===
Derrick (Skylar Astin) - A 19 year old cheerleader
*Jen (Moira Squier) - His mother
*Courtney (Natalie Dreyfuss) - His girlfriend
*Christopher (Brayden Brooks) - His late brother
Matt Johnson (Enzo Cilenti) - A lawyer
===Everybody Dies===
Oliver (James LeGros) - A drug seeker
Category:Characters