New York Undercover Guest Stars

## Season 1

### Recurring Guest Stars

* Michael Michele as Sandra Gill (12)
* George Gore II as Gregory "G" Williams (10)
* Fatima Faloye as Chantal Tierney (9)
* Jose Perez as Mike Torres (5)
* Lisa Vidal as Carmen Torres (5)
* John Costelloe as John Santucci (3)
* Michelle Hurd as Assistant D.A. Reynolds (3)
* Robert Jason Jackson as Big Dog / Ahmed (2)
* Nancy Ticotin as Teresa Torres Rivera (2)
* Paul Butler as Leo Hopkins / Tyrone Hawkins (2)
* Gladys Knight as Natalie (2)
* Sean Nelson as Mark Hopkins / Al (2)
* Paul Calderon as Carlos Ortiz / Emilio Vasquez (2)
* Steve Harris as Bulldog / Terry Ellers (2)
* Alexsandra Morgunovskaya as Natalya / Clerk (2)
* Rafael Baez as Manuel (2)
* Ice-T as Danny "Danny-Up" Cort (2)

* Paula Garces as Aria Nuriez
* Fernando Lopez as Bishop Juan Oyola
* Steven Keats as Brooks' Lawyer
* Sharrieff Pugh as Scooter
* Tresa Hughes as Mrs. Santucci
* Clarence Williams III as Donald Brooks
* Geoffrey Pierson as Matthew Long
* Jack Gilpin as Headmaster Scowcroft
* Kaipo Schwab as Norton Lee
* LisaGay Hamilton as Suki
* Jean Le Marre as Dusable
* Gary Dourdan as Trey King
* Chad L. Coleman as Kevin Gray
* Jeffrey Wright as Andre Foreman
* Ray Aranha as Jamell Johnson
* Tony Darrow as Vinnie
* Paul Sparer
* Angela Featherstone as Angela Mancini
* Larry Gilliard Jr. as Quentin
* Judy Reyes as Helena
* Vincent Laresca
* Phyllis Yvonne Stickney as Baptise
* Enrico Colantoni as David Kinsoling
* Mark Margolis as Clark Redmond
* Brian Tarantina as Eddie Dodge
* Regina King as Marah
* Lawrence B. Adisa as Ray
* Ray Anthony Thomas as Doctor Ross
* Margo Martindale as Nurse Warner
* Jamie Tirelli as Mr. Claudio
* Millie Tirelli
* Jack Gwaltney as Doctor Parker
* Cynthia Martells as Rita Harrington
* Peter Van Wagner as Phil Peroni
* Steve Mellor
* Sarah Knowlton
* Shawn Lyles as Homeowner
* Jay O. Sanders as Howard
* Flex as Mecca
* Bobby Bonilla as Ronnie Holland
* Nestor Serrano as Tito
* Bruce MacVittie as Miles Jordan
* Frank DiLeo as Tommy T
* Vivian Bernal as Adriana
* Ruben Santiago-Hudson as Johnny
* Lázaro Pérez as Joaquin Petras
* Chris de Oni as Vosko
* Kimberly Russell as Leslie
* Salli Richardson as Tammy Barrett
* Kristen Wilson as Eileen Pleshette
* Paul Guilfoyle as Remmy Powers
* Xander Berkeley as Doctor Carl Weschler
* James McCaffrey as Jack Dale
* Mike Hodge as Ed Chaney
* Camryn Manheim as Lawyer
* Joe Morton as Dinah / Dean
* Philip Anthony
* Peter Jay Fernandez as Ben Moreno
* Manny Perez as Vincent
* Jenifer Lewis as Medina
* Alimi Ballard as Kalim
* Christopher Birt as James Adams
* Howard Rollins as Reverend Hundley
* Erica Gimpel as Melinda
* Andre Blake as Xavier
* Kevin Carroll as Julian
* Kira Arné Powell as Lisa
* Cheryl Freeman as May Hundley
* Mekhi Phifer as Sekou
* Jon Seda as Bobby Lunas
* Miguel Sierra as Willie Rosales
* Maricela Ochoa as Rita
* Margaret Welsh as Rose Donovan
* Brendan Kelly as Harry Donovan
* John Speredakos as Doctor Wizen
* Sticky Fingaz as Khalil
* Chris McKinney as Darnell
* Yo-Yo as Nikki
* Gustave Johnson as Arthur Dawson
* Lisa Summerour as Ms. Packer
* Treach as Sheik
* Titus Welliver as Frankie
* Christian Maelen as Richie
* John Ottavino as Agent Larson
* Ntare Mwine as Mitnick
* Darien Sills-Evans as Lawrence
* Kevin Thigpen as Hassan Hawkins
* Jesse L. Martin as Mustafa Hawkins
* Jude Ciccolella as ATF Agent Weston
* Ben Vereen as Louie
* Jonathan Sagalle
* Gary Basaraba as Tirelli
* Ving Rhames as Max Villareal
* John Ortiz
* Novella Nelson as Professor Cortez
* Lauren Vélez as Lourdes
* Saundra Santiago as Juanita
* David Thornton as Alan Warwick
* Victor Slezak as Dennis
* Elizabeth Schofield as Heather
* Keith Randolph Smith as Eugene Watson
* Avery Kidd Waddell as Wayne
* Bobby E. McAdams II as Randy
* Adewalé as Cliff Ramsey
* Jennifer L. Burry as Laura McKinney
* George Coe as Mr. Braddock
* Caitlin Clarke
* Keith Glover as Finster Morgan
* Willi One Blood
* Arue Perry

### Recurring Co-Stars

* Frank Pellegrino as Detective Ricciarelli (14)
* Lee Wong as Medical Examiner Wong (13)
* Jim Moody as Detective Otis "Old School" Washington (7)
* Victor Colicchio as Slick Rick (7)
* Elizabeth Rodriguez as Gina (5)
* Jose Zuniga as Father Jimmy Torres (3)
* Takeo Matsushita as Medical Examiner Wong (3)
* Carol Shaya as Sergeant Wozinsky (3)
* Robinson Frank Adu as Frank (2)
* Karen-Angela Bishop as Assistant D.A. Annette Thomas (2)
* Charles Weldon as Croupier / James Hampton (2)
* James Saito as Detective Chang (2)
* Shaneé Monique Hoke as 8 Year Old Girl / Kid (2)
* Shona Tucker as Detective Presley (2)
* Stewart Riley as Garbage Man / Mac (2)
* James Colby as Uniform (2)

* Gabriel Casseus as Dean Mason
* David Wolos-Fonteno as Coach Greenway
* Ivelka Reyes as Sally
* Carlos Sanz as Manuel Torres
* Rosalinde Milan as Carmen Torres
* Michael Philip Del Rio as Mario Santo Domingo
* Dash Mihok as Marcus
* Bernard Shawn White as Samuel
* Marina Durell as Mrs. Nunez
* Twist Owens as Dice-Playing Teen
* Edward Rosado as Ana's Little Brother
* Ed Wheeler as Reverend Braxton
* Rosa Arredondo
* Gilbert Lewis as Detective Otis "Old School" Washington
* Bill Camp as Bronski
* Ralph Byers as Doctor Hirsch
* Adina Porter as Jasmine Hopkins
* John Finnerty as Policeman #2
* James Georgiades as Policeman #3
* Gilbert Cruz as Estevez
* John Gleeson Connolly as Policeman Arra
* Linda Powell as Laura
* Justin McCarthy as Abel Gance
* Glenn Fitzgerald as Henrickson
* Susan Gibney as Karen
* Denis O'Hare as Carson
* Todd Davis as Paul
* Sylvia Kauders as Old Lady
* Chris Knowings as Tyndell
* Blake Bashoff as Simon
* Dallas Roberts as Larry
* Harry Vincent Smith as Ricky
* Linda Stephens as Mrs. Clancy
* Frank Minucci as Nightclub Owner
* Angela Pietropinto as Nurse
* Chris Mazzilli as Uniform Policeman #1
* Roger Hansen as Scott Clancy
* Jerome Preston Bates as Red Hat
* Scott Sowers as Suit #1
* David Hamilton Simonds as Suit #2
* Chris Walker as Thurston
* Kim Sykes as Sharon Thompson
* Vincent Pastore as Goon #1
* Anne Gartlan as Ann
* Yancey Arias as Armando
* Leon Sanders as Wilson
* Raul Davila as Martinez
* Hillary Hawkins as Keesha
* Thomas Barbour as Watchman
* Elizabeth Flax as Woman
* Jose Dominguez as Voice
* Angel Feliciano as Kid
* Kirk Acevedo as Joey Claudio
* Jordan Lage as Elliot
* Sonny Jim Gaines as Lewis
* JoAnna Rhinehart as Christine Moore
* Frank Girardeau as Larry
* Leigh Bush as Beautiful Nurse
* Christy Knowings as Larrina
* John Roland as Man's Voice
* Andrew Heckler as Gaines
* Cookie Rufino as Yanez
* Monique Cintron as Nena
* Cynthia Watros as Reporter
* Faran Tahir as Doctor Venegas
* Simon Allen as Reporter
* Caron Bernstein as Patricia
* Vernon Campbell as Security Guard
* Diane Cheng as Old Lady
* Donte Colbert as Michael Harrington
* Karen Tsen Lee as Reporter
* Chester A. Sims II as Maitre D'
* Eboni Cooper as Doris
* Shawn McLean as Jimmy Hampton
* Stephanie Berry as Sonia Hampton
* Divina Cook as Melissa Perez
* Emilio Del Pozo as Luis Perez
* Arthur Nascarella as Daniels
* William Hill as Mills
* Henry Simmons as Jackson
* Jose Ramon Rosario as Garcia
* Jernard Burks as Guard
* Robert Rodriguez as Manny
* Kathy Derry as Monique
* Benny Nieves as Sammy
* Diva Osorio as Rosa
* Charles E. Gerber as Attorney
* Deborah Zoe as Maria
* Ashley Savage as Roni
* Debbie Rochon as Melissa
* John Elsen as Officer Archer
* Kevin Hagan as Uni
* Michael Boyle as Billy
* Carolyn Haskell as Assistant D.A.
* Richard Barboza as Benny
* Nelson Vasquez as Bobby
* Jason Duchin as Brad
* O.L. Duke as Bruno
* Clinton Leupp as Lucille
* Michael Cavadias as Ruby
* Christopher Cousins as Colin
* Anthony Cummings as Clive
* Michael Khmurov as Lujack
* Sixto Ramos as Lucio
* Liza Colon as Speaker
* Joe Gatti as Tanelli
* Paul Benjamin as The Professor
* Caitlin Dulany as New School
* Joseph McKenna as Suspect
* Leila Danette as Mae Helen
* Rev. Al Sharpton as Himself
* Aasif Mandvi as Omar
* John Horton as Mr. Phillips
* Alicia Coppola as Detective Carson
* Ricardo Ibarra-Rivera as Victor
* Tim Artz as Lou
* Russell Andrews as Billy
* Bill McCreary as Reporter
* Harvey Silver as Tommy
* Asia Dosreis as Tina
* Shannon Briggs as Ralphie
* Denise Burse as Mrs. Reyes
* Kim Yancey as Doctor Hughes
* Marcella Lowery as Postal Worker
* Ebony Jo-Ann as Sally
* Kim McGuire as Wilkes
* Lia Chang as Asian Nurse
* Aminah Yoba as Nina
* Eddie Korbich as Antoine
* Rolonda Watts as Herself
* Doctor Dre as Himself
* Ed Lover as Himself
* MC Lyte as Female Rapper
* Hollywood as Radio Personality
* Geronimo as Radio Personality
* Da Baka Boyz as Themselves
* Sonni Giddiens as Girl at Talk Show
* American Darrell as "Bomb" Stage Manager
* Denise Warner as Angelica
* Frankie "Hollywood" Rodriguez as Himself
* Billy Strong as Mark
* Neil Pepe as Peter
* Timothy Britten Parker as Prosecutor
* Kevin Benton as David Samuel
* Barbara Spiegel as Judge
* Frank Guy as Bailiff
* John Joseph Gallagher as Officer Gruber
* William DeMeo as Sammy
* Jeffery Wood as Elmore
* Tibor Feldman as Big Dog's Lawyer
* Carlotta Chang as Danny Up Girl #1
* Nadine Hennelly as Danny Up Girl #2
* Billy Otis as Sammy
* Jacinto Taras Riddick as Hector
* Paris Campbell as Youth
* Dule Hill as Georgie
* Koran C. Thomas as Darryl
* Tony Patellis as Janitor
* Jerry Adler as Mr. Ross
* Leland Gantt as Jerome Willard
* Michael Santoro as Coleman
* Stephen Beach as Riley
* George T. Odom as Black Uni
* Lou Sumrall as On Scene Uni
* Jordan Mott as Fresh Face Uni
* José Soto as Agee
* Elvis O. Nolasco as Oscar
* Raymond Rodriguez as Roberto
* Paulette Braxton as Naomi
* Joe Melendes as Detective
* Gary DeWitt Marshall as Benson
* Ivan Kronenfeld as Moss
* Boris Leskin as Siegfried
* Murphy Guyer as Barrows
* Paul Schulze as Ted Winters
* Arnie Mazer as Hargrove
* Laurie Anne Frank as Colleen
* Eugene Byrd as Tiandre
* Dustin Felder as Darrell
* Muhammad Parks as Pee Wee
* Hassan Johnson as Red
* T. Ryder Smith as Lewis
* Jaime Perry as Roland
* Shiek Mahmud-Bey as Crackhead
* Erika L. Heard as Evelyn
* Louis Cantarini as Owner
* Michael Alexander Jackson as Teenager
* Alta Withers as Mother
* Douglas Stone as Ralph
* Lex Monson as Tubbs
* Joyce Blint as Carson
* Cynthia Ruffin as Delilah
* Catherine Dent as Shirley
* Kathleen McAuley as Tina Benson
* Lionel Pina as Officer Mendez
* John Holliday as Silversmith
* Ray Girardin as Truck Driver
* Catherine Curtin as Uniformed Policewoman
* Catherine James Kingston as Uniformed Policewoman
* Joyce Blint as Female UNI
* Michael McCauley as Doctor
* Nick Sandow as White UNI
* Blake J. Willett as UNI Clerk
* Maria Rom as Masseuse #1
* Cynthia Bailey as Masseuse #2

## Season 2

### Recurring Guest Stars

* Jose Perez as Mike Torres (12)
* Fatima Faloye as Chantal Tierney (11)
* George Gore II as Gregory "G" Williams (11)
* Naomi Campbell as Simone Jeffers (6)
* N'Bushe Wright as Carol (5)
* Giancarlo Esposito as Adolfo Guzman (3)
* Isaiah Washington as Andre Morgan (3)
* Anthony Mason as Himself / The Recruiter (2)
* Jack Gilpin as Headmaster Scowcroft (2)
* John Costelloe as John Santucci (2)
* Edie Falco as Sergeant Kelly (2)
* Marina Durell as Sergeant Sonia Moreno (2)
* Jaime Perry as Willis / Willie Pleasant (2)
* Amir Jamal Williams as Brian Morgan (2)
* Jose Zuniga as Father Jimmy Torres (2)
* Kamar de los Reyes as Luis (2)
* Carlos Gomez as Orlando Maldone (2)

* Scott Lawrence as Snake
* Henry Simmons II as Trapp
* Terry Alexander as Doctor Crowley
* Robert Joy as Glenn Holloway
* Kirk Acevedo as Ramon
* Deji Olasimbo as Antonie
* Edwin Hodge as Memo
* Johnny Williams as Leo Galloway
* Joseph Latimore as Jalen
* Jennifer Burry as Officer Blake
* Cedric Harris as Oreo
* Shari Headley as Leanne
* Eden Riegel as Megan Cooper
* Steve Ryan as Dave Cooper
* Tim Hopper
* Allison Janney as Vivian
* Leslie Lyles as Mrs. Schuler
* Terrence Howard as Buster
* Aunjanue Ellis as Claudia
* Robert Knepper as David Carson
* Skipp Sudduth as Tony Donato
* Jean-Claude La Marre as Issac Foweler
* Eartha Kitt as Mrs. Stubbs
* Agustin Rodriguez as Oscar
* Fredro Starr as Alphonse
* Reggie Montgomery as McNamara
* Brandi H. Satterwhite as Delia
* Jared Harris as Seth Baines
* Mark Blum as Doctor Vincent
* Michael Dolan as Mark
* Sam Groom as Walter DeWitt
* Stephanie Roth as Abby DeWitt
* Amelia Campbell as Debbie Rochon
* Tina Benko as Sarah Chapman
* Vinessa Shaw as Teen Covergirl
* Olek Krupa as Don Casaloma
* Janet Zarish as Valerie McCauley
* Peter Ratray as Doctor John McCauley
* David Drake as Mizek Rezami
* Daniel von Bargen as Omega Bomber / Duane
* Daniel McDonald as Milton Allen
* Bill Cwikowski as Donovan
* Lisa Vidal as Carmen Torres
* Barton Heyman as Congressman Jennings
* Ice-T as Danny "Danny-Up" Cort
* Steve Harris as Terry Ellers
* Ron Brice
* Jernard Burks as Tiny
* Bill Nunn as Lieutenant Carver
* Don Harvey as Detective Hubert Flaherty
* Luis Guzman as Detective Lopez
* Stephen Gevedon as Oscar Tirado
* Tamara Tunie as Janice
* Cara Buono as Connie
* Luis Antonio Ramos as Ortiz
* Peter Parros as Stan
* Karina Arroyave as Tika Santiago
* Roscoe Lee Browne as Doctor Johnson
* Joe Lisi as Darren
* Ingrid Rogers as Vivian
* Isiah Whitlock Jr. as Chief Hardin
* Wendell Pierce as Doctor Anthony Fisher
* Frankie R. Faison as Captain Wilton
* Michael Gaston as Lieutenant Harding
* Antone Pagán as Morales
* Vinnie Vella as Savato
* Gareth Williams as Underwood
* Susan Blommaert
* Michael Wright as Rene Mazili
* Antonio David Lyons as Henry
* Frank Vincent as Ray Tarrafino
* Donald Adeosun Faison as James
* Lizbeth MacKay as Christine Wilson
* Royale Watkins as Thomas
* John A. MacKay as UNI
* Michael Rupert as Professor Michael Carter
* Diane DiLascio as Gina Rinaldi
* Lawrence B. Adisa as Leroy Green
* Lynette Walden as Officer Bonnie Macini
* Justin Chambers as Officer Nick Caso
* J.K. Simmons as Sergeant Treadway
* Christopher Bauer as Terry Fillpot
* Lenny Venito as Officer Zanfagna
* Anthony Chisholm as Freddy Wells
* Rafael Baez as Sammy
* Luba Mason as Vanessa Morgan
* Albert Hall as Minister Malik
* Richard Chevolleau as Adam Rashad
* Gigi Fernandez as Monica Delgado
* Matthew Sussman as Larry Rabinowitz
* Josh Philip Weinstein as Joshua
* Phyllis Yvonne Stickney as Esther Rashad
* Aaron Harpold as Sean
* Sean Patrick Thomas as Russell
* Devin Ratray as Martin
* Lance Reddick as Oscar Griffin
* Graham Sack as Nick Stewart
* Mark Zeisler as Ray Bono
* Jon Polito as John Dennis
* Chad L. Coleman as Shoop
* Chris Webber as Nelson
* Catrina Ganey as Mara
* Shawn McLean as Roland
* Taye Diggs as Stephon
* Robert Prescott
* Luis Guzmán as Joaquin
* Benny Nieves as Julio
* Manny Perez as Tony
* John Ventimiglia as Lenny

### Recurring Co-Stars

* Lee Wong as Medical Examiner Wong (6)
* Brian Delate as Sergeant Hobson (3)
* Frank Pellegrino as Detective Ricciarelli (2)
* Michelle Hurd as Assistant D.A. Reynolds (2)
* Daniel Rivas as Crackhead (2)
* Holly Grant as Lucia Maldone (2)

* Echo Allen as Nyleen
* John Gleeson Connolly as Pike
* Candis Cayne as Tamaray
* Debra Wilson as Shanna
* Kasheda Daum as Trinette
* Selina Hernandez as Anile Vasquez
* Manuel Terron as Jesus
* Blanca Camacho as Maria Vasquez
* William Cain as John Phillip Wentworth
* Sonny Jim Gaines as Nelson
* Chuck Cooper as Sawyer
* Gary Perez as Nacio
* Fuschia Walker as Cheryl
* Victor Anthony as Paco Alvarado
* Richard Duva as Unicop
* Charles Reed as Dexter
* Kelly Cole as Tommy
* Michelle Hurst as Ms. Ellis
* Curtis Eames as Lewis
* Chance Kelly as Gary
* Spencer McIntosh as Justin Cooper
* Tom Riis Farrell as Larry
* Kim Pistone as Doctor
* Cara Jedell as Caroline
* Schecter Lee as David Lin
* Davenia McFadden as Mrs. Goines
* Brenda Thomas Denmark as Mrs. Taylor
* Darryl Edwards as Doctor Foster
* Brenda Pressley as Critical Care Nurse
* Gano Grills as Troy
* Isaac Fowler as Lenny
* George Bartenieff as Mr. Leferts
* Robert Hirschfeld as Warbet
* Dan Resin as Doctor Ladenheim
* Rosanna Scotto as Newscaster Rosanna Scotto
* Anil Raman as Rico
* Fatmir Skye as Patrick
* Bruce Katzman as Vincent's Lawyer
* John Tormey as Mark's Boss
* Kristanna Loken as Rena
* Patrick Ewing as Himself
* Hubert Davis as Himself
* Derek Harper as Himself
* Bruce Smolanoff as Trevor Dixon
* Mark Kenneth Smaltz as General Darden
* Eric A. Payne as Thomas Brown
* Starla Benford as Amani Freeman
* Penny Crone as Reporter
* Uniq Arneaud as Melissa Lewis
* David Scott Gordon as Detective Peters
* Jason Culp as Simon Henderson
* Phyllis Bash as Danny Cort's Mother
* Carolyn Beauchamp as Melissa's Mother
* Edward Jordan as Detective Mills
* Lisa Louise Langford as Aunt Paula
* Marc John Jeffries as Kevin Wolfred
* Lil Henderson as Eula Wolfred
* Lisa LeGuillou as Paula
* Joseph A. Foglia as Max Waters
* Mark Cassella as Sergeant Waters
* Terri Vargas as Sylvia Perez
* John Ring as Vincent
* A. Benard Cummings as Peter Clemson
* Larry Block as Rossmore
* Sam Gordon as Bobby
* Roger Pretto as Garcia
* Scott Tiler as James Tesher
* Mary Quincy Coleman as Suzanne Tesher
* Monica McSwain as Mia
* Nashawn Kearse as Patrice
* Damien Wayans as Tulane
* Hassan Johnson as Ahmed
* Gale Mayron as Marsha
* Thomas McCarthy as Gus Farina
* Mustafa Shakir as Ronald Taylor
* Ben Shenkman as Gabe Green
* Gary Swanson as Coach
* Seth Barrish as Doctor
* Jim Abele as Professor Birch
* Leslie Silva as EMT
* Sarah Brown as Marilyn Carter
* Sharrieff Pugh as Marcus Tuttle
* Cassandra Creech as Peaches
* Arthur Nascarella as Vinny
* Frank Adonis as Sonny Bruno
* David Warren Burke as Tech
* Jimmy Noonan as Goon
* John Randolph Jones as Lieutenant Pollard
* Timothy Cavanaugh as Portnoy
* Sam Brown as Officer Snead
* Danny Rose as Sal
* Carlos Morales as Jesus Ortiz
* Tammi Cubilette as Junkie Lady
* Michelle Marie Robinson as Mrs. Wells
* Mary Dimino as Polly
* Joe Melendes as I.A.B. Officer
* Stuart Burney as Ron Laker
* Walter T. Meade as Drug Dealer
* Dupre Kelly as Boy
* Brigitte Barnett as Resident
* Jeffrey Hayenga as Doctor Jarsky
* David Zayas as Paco Martinez
* Mark Switzer as Uniform Policeman
* Count Stovall as Phillip Atwell
* Marya Kazakova as Shirley Benton
* Nikolai Tsankov as Ivan
* Don Calabrese as Trainer
* Damion L. Clarke as Uniformed Policeman
* Jerome Preston Bates as Trey Ellisson
* Dwight Wigfall as Terrence
* Amani Gethers as Jou-Jou
* Lou Cantres as Officer Garcia
* Walt MacPherson as Agent Petrie
* Frank John Hughes as Scud
* Graham Winton as Judd
* David Anzuelo as Franco
* Christina Rouner as Doctor
* Timothy Devlin as Officer Hampton
* Alex Toma as Perry
* Bruno Irizarry as Officer Ruelas
* Mercedes Tomasino as Pretty Clerk

## Season 3

### Recurring Guest Stars

* George Gore II as Gregory "G" Williams (13)
* Fatima Faloye as Chantal Tierney (6)
* James McCaffrey as Captain Arthur O'Byrne (6)
* Joanna Merlin as Carmella McNamara (4)
* Ernest Abuba as Sonny Fung (3)
* Zoe Dora Lukov as Melissa Lewis (3)
* Tyra Banks as Natasha Claybourne (3)
* Madison Arnold as Harry Bennett (3)
* Keith David as Reverend Harris (2)
* Gregory Burke as Jimmy (2)
* Matthew Powers as Richard (2)
* Steve Ryan as Dave Cooper (2)
* Sandrine Holt as Julie Chin (2)
* Rosanna Scotto as Newscaster Rosanna Scotto (2)

* Robert Gentry as Neil J. Davis
* Shiek Mahmud-Bey as Greg Thomas
* Jude Ciccolella as Robert Olsen
* Gordon Joseph Weiss as Jeff Floyd
* LaChanze as Mariah Barton
* Bill Moor as Mr. Haggard
* Anne Pitoniak as Mrs. Haggard
* Mekhi Phifer as Dion Broat
* Paul Calderon as Arnell Flores
* Ron Cephas Jones as James Farris
* Isidra Vega as Monica Ledesma
* Kathleen Chalfant
* Marlene Forté as Mrs. Flores
* Tony Todd as Andrew Bryant
* Ruben Santiago-Hudson as Walter Perry
* Quincy Jones as Himself
* Sharron Corley as Curtis Maxwell AKA Monster
* Jernard Burks as Charles Keith "C.K." Berry
* Nine as Low Ball
* Robert Jason Jackson as Mr. Ellis
* Kim Staunton as Angela Maxwell
* Laurence Mason as Cornell Walker
* Sebastian Roché as Domenick Rallo
* Holter Graham as Donnie
* Viola Davis as Mrs. Stapleton
* Carolyn McCormick as Doctor Elizabeth Olivet
* Billy Chang as Chen Lu
* Phil Nee as Henry Lee
* Stu "Large" Riley as Hollis
* Charles Malik Whitfield as Judd Dawes
* Vincent Laresca as Hector Belaflores
* Christina Rouner as Terry Groome
* Stephen Bogardus as Doctor Berger
* Amy Povich as Jane Simmons
* Frank John Hughes as Uther
* Nick Sandow as Henry
* Scott Sowers as Jankowski
* Wendy Hoopes as Rebecca Skolnik
* Stephen Singer as Morris Skulnik
* Charles Oakley as Himself
* John Starks as Himself
* Daphne Rubin-Vega as Lydia
* Rafael Baez as King Ramon
* Fernando Lopez as Domingo
* Ajay Naidu as Manuel
* Tommy Hollis as Earl Briggs
* Jeff Williams as Kenny Norwood
* Hilary Martin Jones as Tyrell Briggs
* Zachary Simmons Glover as Trent Stevens
* Samuel E. Wright as Gil Jefferson
* John Carter as Gerald
* Isaac Fowler III as Duane Patters
* Sally Stewart as Pam Stevens
* Vyto Ruginis as Solomon
* Victor Williams as Freddie James
* Robert Montano as Daniel Renaldo
* Kate Skinner as Doctor Simpson
* Peter McRobbie as Inspector Reznor
* Yolonda Ross as Jackie
* Evander Holyfield as Himself
* Patricia Charbonneau as Jennifer Lewis (Melissa's Mother)
* David Margulies as Frederick Jones
* Peter Sarsgaard as Donald Jones
* Bray Poor as Evan Butler
* Dylan Price as Gus Mooney
* Damien Leake as Sergeant Keno
* Karen Kandel as Captain Linda Rice
* Roger Robinson as Major Harold Williams
* Kent Williams as Reynolds
* Kirk Acevedo as Bernard
* Scott Lawrence as Agent Jenkins
* Scott Hoxby as Braddock
* Chuck Patterson as Mr. Johnson
* Daniel von Bargen as Greene
* James Rebhorn as Tuckett
* Chris Walker as Cordell Thomas
* Harry O'Reilly as Alan Wakefield
* Murphy Guyer as Sterling Montgomery
* Christina Haag as Elaine Mayer
* Ray Anthony Thomas as Reverend Rapkin
* Cynda Williams as Erica Rockler
* Rob Campbell as Kevin Swain
* Frank Vincent as Bates
* Adam LeFevre as Donahue
* Christie MacFadyen as Camille Vincent
* Paul Guilfoyle as Alex Pratt
* Sandra P. Grant as Sheila Perez
* Yancey Arias as Ron Perez
* Linda Emond as Nancy Carol
* Willis Burks II as Baxter
* Gabriel Casseus as Tony
* Edie Falco as Sergeant Kelly
* Ken Leung as David Kwan
* Nancy Ticotin as Teresa Torres Rivera
* Tony DiBenedetto as McBride
* George DiCenzo as Lieutenant Finestra
* Stevie Wonder as Himself
* Curtis McClarin as Lonnie Scott
* Ray Aranha as Mel Dunston
* John Doman as Richard Coates
* Clifton Powell as Elvin Barnes
* Bokeem Woodbine as Mobster
* Tyrin Turner as Clyde
* Sticky Fingaz as Assassin
* Adrienne Hurd as Iyanla
* Michael Genet as Earl
* Darryl Brown as Tye
* Michael Imperioli as Miles Gordon
* Dana Eskelson as Nadine Jordan
* Ritchie Coster as Keith Draper
* Mel Johnson Jr. as Manager
* Roger Guenveur Smith as Forbes

### Recurring Co-Stars

* Lee Wong as Medical Examiner Wong (6)
* Zaniz Jakubowski as Doctor Leonard (2)
* David Roland Frank as John Cooper (2)

* Marina Durell as Sergeant Sonia Moreno
* Cynthia Belgrave as Esther
* Allan Lindo as Anthony
* Tonye Patano as Mrs. Samuels
* Paul Geier as Don Meyer
* John Juback as Eckerle
* Benjamin J. Cain Jr. as Jim Linton
* Kelly Cole as Jimmy Pigeon
* Rockets Redglare as Fat Roscoe
* Clement Fowler as Mr. Fleming
* Marko Kalfa as Lenny Cruz
* Joyce R. Korbin as Mrs. Fleming
* Jonathan Teague Cook as Old Man
* Hope Clarke as Marilyn Farris
* Moné Walton as Dana Toppel
* Sharon Washington as Doctor Brown
* Mary Catherine Nashlenas as Yvonne Flores
* Imani Parks as Erica
* Michael Broughton as Neighbor #1
* Stephanie Berry as Diana Parker
* Jason Chandani as Mr. Jabuli
* Anita Padilla as Tracy Wooten
* Robert Dolan as Uniformed Policeman
* Conrad Lindsay as Steve Barnes
* Harold Hunter as Leroy
* Trashawn Toulson as Troy
* Rynel Johnson as Xavier
* Peewee Love as Kid
* Christian Baskous as Alan Spencer
* John Eddins as Defense Attorney
* Beverly Bond as Hit Woman
* Jerome Le Page as Manfred Dedrick
* Kim Yancey-Moore as Doctor
* Pernilla Nelson as Our Girl
* Scot Anthony Robinson as George
* Dorcas M. Johnson as Sally
* M.W. Reid as Stu
* La Donna Mabry as Lilly
* Saoul Mamby as Billy
* Brian Smyj as Construction Worker #1
* Philip Rudolph as Construction Worker #2
* Master Little John Davis as Easy Earl
* Victor Chan as Uniform #1
* John Fiore as Jake McNamara
* Robin Miles as Doctor Ferrin
* Matt Servitto as Raymond Nunez
* Peter Ashton Wise as Adrian Groome
* Mick O'Rourke as Velasco
* Joe Gatti as Medical Examiner
* Frank Senger as Alphone Poteet
* Ellen Barber as Mrs. Skolnik
* Jason Antoon as Victor Stromfeld
* Alan Ceppos as Aram Stromfeld
* Deep Katdare as Matossian
* Felix Solis as Felipe
* Raymond Vicenti as Luis
* Sean Naegeli as Tito
* Joseph Morales as Mr. Rodriguez
* Georgina Corbo as Mrs. Rodriguez
* Stephen Beach as Kirby
* Blaine Dunham as Jill Petersen
* Julie Dretzin as Genero
* Harry Murphy as Public Defender
* J.D. Williams as Victor
* China Jesusita Shavers as Dana Herrington
* Clebert Ford as Mr. Solakian
* Lee Summers as Walter Stokes
* Venida Evans as Clarita Armstrong
* Eden Riegel as Megan Cooper
* Spencer McIntosh as Justin Cooper
* Darrell Carey as Simon
* John Bolger as Lawyer / Assassin
* Portia Johnson as Woman
* Don Turner as Orderly
* Anne Lange as Samantha Benedict
* Al DeCristo as Tom Phillips
* Freddy Bastone as Mugger
* Margaret Devine as Kay Mooney
* Harsh Nayyar as Doctor Habari
* George Rafferty as Mike Simms
* Robin Cornett as Janine Evans
* Donovan C. Knowles as Charles Evans
* David Courier as Young Greene
* Eric Martin Brown as Young Tuckett
* Julian Gamble as Smitty
* Sean Pratt as Mail Clerk
* Melissa Hibbert as Nikki
* Terri Towns as Officer McCreary
* Deborah Lee Johnson as Crystal Wade
* Joseph A. Foglia as Miles Jordan
* Corey Parker Robinson as Derrick Johnson
* John Steven Jones as Angel Lopez
* Dyron Holmes as Nicky
* Saundra McClain as Mrs. Johnson
* Charlotte Colavin as Judge Merrick
* Sandra Daley as Andrea Tompkins
* Thomas Schall as Adam Ferrin
* Ed Engels as Park Worker
* Mark Lotito as Officer Andrews
* Indira Kupa as Tina Perez
* Andrew Maximillian Davis as Corey Perez
* Paul J.Q. Lee as Cook
* Ted Oyama as Sing Po
* Tim Barrett as Diner
* Reid Asato as Sonny Fung's Bodyguard #1
* Johnny Tran as Sonny Fung's Bodyguard #2
* Andrea Navedo as Clerk
* Bruce Kronenberg as Brent
* Dan Grimaldi as Mike Waites
* Alex Nobles as Guard
* Tavia Rivee Jefferson as Vivian Scott
* Chance Kelly as Big Hog
* Doc Dougherty as Sergeant Cook
* Regina Hall as Tammy
* Kevin McClarnon as Bryant
* Jared Kurt as Waiter
* Angel Brown as Ho

## Season 4

### Recurring Guest Stars

* George Gore II as Gregory "G" Williams (5)
* Joe Lisi as Chief of Detectives (4)
* Justin Theroux as Frankie D'Amico (3)
* Jennifer Esposito as Gina D'Amico (3)
* Dana Eskelson as Nadine Jordan (3)

* Nelson Vasquez as Geraldo
* James Whalen as Franklin
* Erik Todd Dellums as Mohammad
* Ramy Zada as Paul Milan
* Irina Pantaeva as Isabel
* Emmanuel Xuereb as Zeb
* Monica Birt as Shelly
* Jon Polito as Rinaldi
* Gerry Bamman as Hicks
* Richard Council as Kharkov
* Boris McGiver as Sadovsky
* Barbara Sukowa as Consul General
* Dennis Christopher as Doctor Royce
* Ned Eisenberg as Braddick
* Steven Randazzo as Birelli
* Joseph Ragno as Sal D'Amico
* Larry Pine as Leonard
* Alice Playten as Homeless Woman
* Adam Trese as Sandrelli
* Scott Cohen as Petrello
* Michael Willis
* Jennifer Burry
* David S. Chandler
* Justine Miceli as Julie
* J.K. Simmons as Doctor Emil Skoda
* Dean Winters as Paul Delaney
* J.C. MacKenzie as Holmquist
* Ron Ryan as McBride
* Tony Hoty as Epstein
* James Hanlon as Wedge
* Gerry Becker
* Kevin O'Rourke as Tanner
* Peter Francis James as Mr. Connel
* Joseph Siravo as Detective Van Allen
* Kevin Geer as Maloney
* Catlin Adams as Judge Carol Wood
* Sean C. Squire as Roger
* David Anzuelo as Fortner
* Novella Nelson as Malcolm's Mother
* David Vadim as Sage Ryan
* Darren Epton as Zeke
* Zachary Taylor as Lance
* Tom Mason as Harry Donnor
* Matt McGrath as Jonathan
* David Moscow as Diesel
* David Wheir as DJ Ant
* Julianne Nicholson as Daisy
* Tamara Tunie as Lana Brooks
* Jesse L. Martin as Kaylen Foster
* Wood Harris as Shadow
* Kristen Wilson as Shelly Foster
* Ritchie Coster as Flannagan
* Paul Ronan as Ethan McManus
* Brendan Kelly
* William Hill
* Lucinda Faraldo as Ann Donlevy
* Evan Handler as Carl
* Elizabeth Marvel as Eve Flemming
* Begonya Plaza as Mrs. Vitti (Sarah's Mother)
* Matthew Powers as Richard
* Doris Belak as Judge
* Jarrod Bunch as C.O.
* John Ventimiglia as Peter Vitti

### Recurring Co-Stars

* Lena Cardwell as Richele (3)

* Cynthia Santana as Newscaster
* Jojo Gonzalez as Miguel
* Lyn Brown as Reporter
* Jim Frangione as Detective Caswell
* Richard Barba as Promoter
* Ed Engels as Truck Driver
* Reigh Mackey as Chucky
* Don Clark Williams as Federal Agent
* Keith Nobbs as Billy
* Coco McPherson as Customizer
* Leo V. Finnie III as Car Washer
* George Causil as Georgie
* Jason Duval Hunter as Robert Crossley
* Timothy Hsu as Violinist
* Damian Young as Jenkins
* Michael Ornstein as Perkins
* Neal Hemphill as Assistant D.A.
* Michael Eaddy as Ritchie
* John Ring as Chief
* Anne Sayre as Angela
* Gregory Zaragoza as Leon Perez
* Mateo Gomez as Raul
* Jose Yenque as Juan
* Christopher Arocho as Enrique
* Franky G as Manuel
* Alan Pottinger as Officer Johnson
* Richmond Hoxie as Judge Lowenthal
* David Wagner as Sergeant
* Michael Buscemi as Perp
* Sam Gregory as Attorney
* Joe Gatti as Police Officer
* Gabriel Carpenter as Jake
* Matthew Lawler as ATF Agent
* Nikki Walker as Jamaican Nanny
* Greg Haberny as Ricky
* Ryan Payne Bell as Ian
* John Tormey as Angry Man
* Jonathan Kurt as Raver
* Bill Hoag as Mr. Benton
* Amaury Nolasco as Shadow's Accomplice #1
* David Lenneman as Shadow's Accomplice #2
* Robin Chadwick as Jimmy
* Dara Coleman as Timothy Tirnan
* John O'Donnell as Seamus Mulane
* David Butterly as Mitch
* Eilis Cahill as Molly
* Michael Louden as Foreman
* Robert Cea as Hostage Negotiator
* Conn Horgan as Bartender
* Mike Gilliam as Reporter
* Fredi Walker as Inmate
* Joseph A. Foglia as Eve's Lawyer
* Michael Cullen as FBI Special Agent
* Mary Garofalo as Reporter
* Eva Donia Silver-Smith as Sarah Vitti