Daftar karakter Star Trek

Daftar ini berisi tokoh-tokoh dalam berbagai film seri dan film layar lebar Star Trek.

 Tokoh-tokoh utama 

 Original Series 
Awak pesawat USS Enterprise NCC-1701 dalam Star Trek: The Original Series
 Captain Christopher Pike diperankan oleh Jeffrey Hunter
 Mr. Spock, diperankan oleh Leonard Nimoy
 Number One (tanpa nama), diperankan oleh Majel Barrett
 Yeoman Julie Margareth Colt, diperankan oleh Laurel Goodwin

Awak tetap USS Enterprise NCC-1701
 Captain James Tiberius Kirk, diperankan oleh William Shatner
 Mr. Spock, diperankan oleh Leonard Nimoy
 Doctor Leonard H. "Bones" McCoy, diperankan oleh DeForest Kelley
 Lieutenant Uhura, diperankan oleh Nichelle Nichols
 Chief Engineer Montgomery "Scotty" Scott, diperankan oleh James Doohan
 Lieutenant Hikaru Sulu, diperankan oleh George Takei
 Yeoman Janice Rand, diperankan oleh Grace Lee Whitney (1966-1967)
 Ensign Pavel Chekov, diperankan oleh Walter Koenig (1967-1969)

Tokoh-tokoh penting lainnya
 Nurse Christine Chapel, diperankan oleh Majel Barrett

 Star Trek: The Next Generation 
Awak tetap USS Enterprise NCC 1701-D dalam Star Trek: The Next Generation.
 Captain Jean-Luc Picard, diperankan oleh Patrick Stewart
 Commander William Thomas Riker, diperankan oleh Jonathan Frakes
 Chief Engineer Geordi La Forge, diperankan oleh LeVar Burton
 Lieutenant Natasha Yar, diperankan oleh Denise Crosby (1987-1988)
 Lieutenant Commander Worf, diperankan oleh Michael Dorn
 Chief Medical Officer Beverly Crusher, diperankan oleh Gates McFadden (1987-1988; 1989-1994)
 Counsellor/Lieutenant Commander/Commander Deanna Troi, diperankan oleh Marina Sirtis
 Lieutenant Commander Data, diperankan oleh Brent Spiner
 Guinan, diperankan oleh Whoopi Goldberg (1988-1993)
 Transporter Chief Miles Edward O'Brien, diperankan oleh Colm Meaney
 Chief Medical Officer Katherine Pulaski, diperankan oleh Diana Muldaur (1988-1989)
 Acting Ensign Wesley Crusher diperankan oleh Wil Wheaton

Tokoh-tokoh penting lainnya
 Lieutenant Reginald Barclay
 Ensign/Lieutenant Ro Laren
 Spot (kucing peliharaan Data)
 Lwaxana Troi, Daughter of the Fifth House, Holder of the Sacred Chalice of Rixx, Heir to the Holy Rings of Betazed

I

 Star Trek: Voyager 
Awak tetap USS Voyager NCC-74656 dalam Star Trek: Voyager
 Captain Kathryn Janeway, diperankan oleh Kate Mulgrew
 Lieutenant Thomas Eugene Paris, diperankan oleh Robert Duncan McNeill
 Ensign Harry Kim, diperankan oleh Garrett Wang
 The Holographic Doctor (EMH Program Mark-1), diperankan oleh Robert Picardo
 Kes, diperankan oleh Jennifer Lien
 Neelix, diperankan oleh Ethan Phillips
 Commander Chakotay, diperankan oleh Robert Beltran
 Lieutenant Commander Tuvok, diperankan oleh Tim Russ
 Chief Engineer B'Elanna Torres, diperankan oleh Roxann Dawson
 Seven of Nine, diperankan oleh Jeri Ryan

Tokoh-tokoh penting lainnya
 Lieutenant Reginald Barclay, diperankan oleh Dwight Schultz
 Naomi Wildman, diperankan oleh Scarlett Pomers
 Seska, diperankan oleh Martha Hackett.
 Icheb

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I

 Tokoh-tokoh diurutkan sesuai abjad 

=== I

 A 
 Gambar  Karakter  Aktor  Episode  Deskripsi No picLeonard James Akaar Friday's Child (TOS) Pria; putera dari Akaar and Eleen, namanya diambil dari James T. Kirk dan Leonard McCoy setelah mereka menolong bangsa Capella IV. Dalam novelnya, setelah dewasa Akaar bergabung dengan Starfleet; kita pertama kali menyaksikan dia menjabat kepala keamanan di USS Excelsior di bawah Captain Hikaru Sulu. Kemudian, dalam novel Star Trek: Deep Space Nine relaunch, Akaar adalah veteran admiral dalam armada tersebut. No picAkorem Laan Accession (DS9) Pria Bajoran; penyair yang dikenal lewat karyanya The Call of the Prophets. Menjelajah dengan pesawat kecil Bajoran, ia adalah orang pertama yang menemukan kuil Celestial (wormhole menuju Gamma Quadrant) dan saat ia muncul 200 tahun kemudian Sisko menyerahkan jabatan Emissary agar Akorem dapat menggunakannya, sebuah keputusan yang disesali Sisko saat Akorem memutuskan untuk kembali menggunakan D'Jarras (sistem kasta Bajoran). Sisko dan Akorem pergi menuju wormhole bersama dan the Prophets memutuskan untuk mengirimkan Akorem kembali ke jamannya dan mengembalikan Sisko sebagai Emissary mereka. No picAlixus Paradise (DS9) Wanita; pendiri koloni di Orellius yang ingin menciptakan sebuah sistem masyarakat tanpa teknologi. No picAltovar Distant Voices (DS9) Pria Lethean; mencoba membeli larutan biomimetic dari Dr. Bashir. Menyerangnya secara telepatis saat ia menolak untuk menjual. No picAluura Profit and Lace (DS9) Wanita; Seorang wanita dabo di Quark's, dikagumi oleh para klien dan rekan kerjanya. Quark mengancam akan memecatnya apabila ia tidak memberikan oo-mox kepadanya. No picKiaphet Amman'sorNone  Wanita-air Xindi; anggota dinasti Ibix, dan pimpinan di dewan Xindi. Ia selalu terlihat dalam tangki yang menyatu dengan ruang dewan. No picAnya The Dauphin (TNG) Wanita allasomorph; perubah-bentuk dari bulan ketiga Daled IV. Not seen on screenRobert AprilNone None Pria manusia; mantan kapten USS Enterprise NCC-1701. No picArdra Devil's Due (TNG) Iblis dari Ventrax II, yang ditirukan oleh seorang wanita penipu, yang kemudian ternyata hanyalah hoax oleh Captain Picard. ArmusNone Skin of Evil (TNG) Sentient oil slick yang membunuh Tasha Yar. No picDr. Arridor The Price (TNG)

False Profits (VOY) Pria Ferengi; salah satu dari dua Ferengi yang ditahan di Delta Quadrant setelah mencoba mengamankan Barzan wormhole untuk kepentingan pribadi. Mendarat darurat di planet Takaran, mereka menyebut diri mereka sebagai Holy Sages yang telah diramal oleh bangsa Takaran dalam Song of the Sages untuk mengeksploitasi bangsa Takaran untuk keuntungan mereka. Jeremy Aster The Bonding (TNG) Pria, manusia; kehilangan ibunya dalam sebuah misi yang dipimpin oleh Worf; dan lewat sebuah ritual Klingon menjadi saudara Worf. No picAzetburTUC Wanita Klingon; satu-satunya wanita Klingon yang menjadi Chancellor di High Council.

 B 

 B-4, prototype for Data
 Bahrat (VOY, "Fair Trade") Manager of the Nekrit Supply Depot, near the Nekrit Expanse
 Ensign Lyndsay Ballard (VOY, "Ashes to Ashes") Engineer, died in an away mission she went on with Harry Kim. She was buried "in space" and found by the Kobali, who "procreate" by reanimating alien corpses and altering their physiology to match theirs. She was renamed Jhet'laya, and after living with her Kobali family for two years, she escaped and got back to Voyager, where the Doctor performed cosmetic surgery to make her look more human. When other Kobali came looking for her, she at length decided to return to them.
 Barash (TNG, "Future Imperfect") Lonely child who trapped Riker in a fictitious future
 Reginald Barclay, played by Dwight Schultz from The A-Team
 Professor Honey Bare (DS9, "Our Man Bashir") A seismologist in Bashir's secret agent program. Due to a transporter malfunction, Prof. Bare's physical parameters were temporarily modelled on Jadzia Dax.
 Vedek Bareil (DS9) Was nominated as possible successor to Kai Opaka, but lost the position to Winn instead
 Amsha Bashir (DS9, "Doctor Bashir, I Presume?") Wife of Richard Bashir, mother of Julian Bashir. Played by Fadwa El Guindi.
 Julian Bashir, Chief Medical Officer of DS9
 Richard Bashir (DS9, "Doctor Bashir, I Presume?") Husband of Amsha Bashir, father of Julian Bashir. Played by Brian George. In 2348, he took his then 6-year-old son to a planet outside the Federation to have him genetically enhanced. When the fact came out in the open about three decades later, Richard accepted a 2-year prison sentence to save Julian's career.
 Captain Morgan Bateson (TNG, "Cause and Effect"), played by Kelsey Grammer, commanded the USS Bozeman, which was trapped in a time loop for 80 years
 Singh el Bashir (DS9, "Statistical Probabilities") 15th Century poet and plagiarist, ancestor of Julian Bashir.
 Belle (VOY, "Real Life") The Doctor's daughter in his holographic family program.
 B'Etor, one of the Duras sisters
 Gabriel Bell (DS9, "Past Tense") (April 24, 1987 - September 3, 2024) During a 2024 revolt in San Francisco where federal employees were held hostage, he made sure the hostages were not harmed. In an alternate timeline, Bell was killed earlier and Benjamin Sisko stepped in to fulfill Bell's role in the pivotal historical moment. In a guidebook to Earth that Jake gave to Nog, Gabriel Bell is described as "the father of Earth's post-modern reformism," and shown with a picture of Sisko.
 Benaren Father of Kes, husband of Martis. Played by Michael L. Maguire.
 DaiMon Bok (TNG, "The Battle") Tried to wreak vengeance on Picard for the Battle of Maxia
 Leah Brahms, Engineer who developed the Warp drive of Galaxy class starships, first appeared as a hologram in an Enterprise tutorial, later in person as a romantic interest of Geordi La Forge.
 Admiral Brand
 Captain Braxton 29th century time traveller stranded in 20th century Los Angeles for 30 years
 Liquidator Brunt (DS9), Ferengi who works for the Ferengi Commerce Authority.
 Butler, Kirk's dog
 Lord Byron (VOY, "Darkling") Holographic recreation of 19th Century poet. Voyager 's EMH attempted to incorporate some of the poet's traits into his own program.

 C 
 Pic  Character  Actor  Episodes  Description No picCharlene Real Life (VOY) Hologram; the Doctor's wife in his holographic family program. No picCh'Pok Rules of Engagement (DS9) Klingon male; lawyer arguing for Worf's extradition to the Klingon Empire for allegedly killing 441 Klingon civilians. No picSonny Clemonds The Neutral Zone (TNG) Human male; 20th Century civilian cryogenically frozen and discovered by the USS Enterprise-D. Zefram Cochrane Glenn Corbett; James Cromwell Metamorphosis (TOS)
FCT
Broken Bow (ENT) Human male; Earth's inventor of warp drive. No picJack Crusher Family (TNG)
Violations (TNG)
Journey's End (TNG) Human male; husband of Beverly Crusher; father of Wesley Crusher. Crystalline EntityNone Datalore (TNG)
Silicon Avatar (TNG) Seemingly malevolent life form that destroyed colonies on Omicron Theta and other planets.

=== E

 E 
 Pic  Character  Actor  Episodes  Description No picAmelia Earhart The 37s (VOY) Human female; abducted from Earth in 1937; found cryogenically frozen in the Delta Quadrant by the Voyager crew. No picMichael Eddington  Human male; lieutenant commander; Starfleet security officer who defected to join the Maquis. No picEe'Char Hard Time (DS9) Male; Miles O'Brien's imaginary cellmate during his time-compressed simulation of incarceration. No pic Albert Einstein Descent, Part I (TNG)  The Nth Degree (TNG) Holographic reproduction for a game of poker with Data No picEkoria The Quickening (TNG) Teplan female; afflicted by the blight, the first one to believe that Bashir could find a cure to her condition. She died to the blight, but her baby was born perfectly healthy. No picElaan of Troyius Elaan of Troyius (TOS)  Female; princess offered in marriage to resolve conflict between two worlds. No picTam Elbrun Tin Man (TNG) Betazoid male; had unusually great telepathic ability skilled at making contact with non-humanoid sentient life forms. No picEndar  Suddenly Human (TNG) Talarian male; captain whose own biological son was killed by humans. In accordance with Talarian customs, he claimed the human boy Jeremiah Rossa as his own son, renaming him Jono. Years later, when Captain Picard intended to return Jono to his human family, Endar was ready to go to war to retrieve his adopted son.

 F 

 Pic  Character  Actor  Episodes  Description No picKivas Fajo The Most Toys (TNG)  Male; kidnapped Data for his collection of priceless artifacts. No picFalcon  Our Man Bashir (DS9) Hologram; assassin in Bashir's secret agent holo-program. Due to a transporter malfunction, Falcon's physical parameters were temporarily modelled on O'Brien. No picDr. Farek  Menage a Troi (TNG) Ferengi male; crew member of the Krayton, tried using a mind probe on Lwaxana Troi to learn the secret of Betazed telepathy. No picKaren FarrisCourtney Peldon Valiant (DS9) Human female; Red Squad cadet appointed First Officer of the USS Valiant after the death of Captain Ramirez. No picMarla Finn No picVic Fontaine  Hologram; a holodeck entertainer, used as counselor by various crewmembers of Deep Space Nine.

 G 

 Richard Galen Renowned anthropologist and role model for Picard
 Mahatma Gandhi (VOY, "Darkling") Holographic recreation of 20th Century politician. Voyager 's EMH attempted to incorporate some of Gandhi's traits into his own program.
 Garak, a "plain and simple tailor", in reality a former top operative of the Obsidian Order.
 Garth of Izar: Hero of the Battle of Axanar and role model for Captain James T. Kirk
 Gegen (VOY, "Distant Origin") Saurian scientist who believes his Delta Quadrant race are descendants of Earth dinosaurs.
 Tekeny Ghemor (DS9, "Second Skin", "Ties of Blood and Water") Father of a Cardassian young woman who went undercover as a Bajoran. As a young man, Ghemor played a role in the Kiessa massacre. After an attempt to pass Kira as his long lost daughter fails, Ghemor grows close to Kira and considers her the closest thing to family, so much so that he asked her to participate in the Cardassian ritual of shri-tal before he died of Yurim Fel syndrome.
 Sonya Gomez (TNG, "Q Who?"), young Starfleet ensign serving on the Enterprise in the engineering section, famously spilt Hot Chocolate on Captain Picard. She has a considerably larger role in the S.C.E. novels.
 Chancellor Gorkon (TUC) Chancellor of the Klingon Empire
 Chancellor Gowron (TNG and DS9) Chancellor of the Klingon Empire
 Amanda Grayson (TOS, "Journey to Babel"), the human mother of Mr. Spock.
 Greskrendregtk (VOY, -never seen-), the Ktarian father of Naomi Wildman
 Grilka (DS9, "House of Quark") Briefly married to Quark after Quark was implicated in the murder of her previous husband, Kozak
 G'Trok Klingon poet best known for the epic "The Fall of Kang"
 Guruk Xindi military officer

=== JAKARTA YouTube nemudoma postal

 I 

 Ilia Joined Willard Decker to merge with V'Ger
 Ishka, mother of Quark

 J 

 Mark Jameson (TNG, "Too Short a Season") Renowned Federation mediator who tried an unorthodox age-reversal treatment
 Jarlath (VOY, "Displaced") Captive on a habitat customized by the Nyrians. He discovered passages between habitats.
 Captain Edward Jellico (TNG, "Chain of Command"), acting captain of the Enterprise-D while Jean-Luc Picard was engaged in negotiations with the Cardassians.
 Jeffrey (VOY, "Real Life") The Doctor's son in his holographic family program.
 Ma'Bor Jetrel (VOY, "Jetrel") Repented for engineering weapon that killed millions of Talaxians
 Jeyal (DS9, "The Muse") Tavnian, briefly Lwaxana Troi's husband and father of one of her children. When he learned the unborn child was a male, he insisted that upon birth he be separated from his mother and raised only by men in accordance with Tavnian tradition.
 Jono (TNG, "Suddenly Human") Human born Jeremiah Rossa, adopted by Talarian Captain Endar in accordance with Talarian customs. When found by the Enterprise-D, Picard wanted to return him to his biological grandmother, Admiral Conaught Rossa, but Jono, who had then reached the Age of Decision, decided to return to Endar.

 K 

 Kahless Legendary Klingon warrior and first emperor of the Klingon Empire; a clone created in 2369 was made ceremonial emperor by Gowron
 Kamala (TNG, "The Perfect Mate")
 Kang (TOS, DS9, VOY) Klingon captain who fought alongside Kirk against an empathic entity, later swore a blood vow with Dax to avenge his son's death at the hands of the Albino, played by Michael Ansara
 Walker Keel (TNG, "Conspiracy") Starfleet Commander who warned Picard about alien invasion.
 Edith Keeler (TOS, "City on the Edge of Forever") Charitable woman whose untimely demise turned out to be necessary to prevent Hitler from winning World War II, played by Joan Collins
 K'Ehleyr (TNG, "The Emissary"), wife of Worf, mother of Alexander Rozhenko, played by Suzie Plakson
 Captain Keogh (DS9, "The Jem-Hadar"), commander of the ill-fated USS Odyssey
 Lenara Khan (DS9, "Rejoined") Trill woman hosting the Khan symbiont, who in a former life was married to Dax, played by Susanna Thompson
 Kira Meru (DS9, "Wrongs Darker than Death or Night") Mother of Kira Nerys, was a comfort woman for Gul Dukat for seven years.
 Kira Nerys (DS9) Bajoran militia officer assigned as Benjamin Sisko's second in command on Deep Space Nine, played by Nana Visitor
 K'Kath (VOY, "Real Life") Klingon friend of Jeffrey in the holographic family program modified by Torres.
 Klag (TNG, "A Matter of Honor") Second officer of the Klingon bird-of-prey Pagh.
 K'mtar (TNG, "Firstborn") The adult Alexander Rozhenko from a possible future, played by James Sloyan
 Kodos the Executioner aka Anton Karidian (TOS, "The Conscience of the King") Governor of Tarsus IV, who engaged in a large-scale eugenics programme to counter impending threat of starvation to the colony, later assumed the role of an actor leading a traveling Shakespeare company
 Kol (TNG, "The Price"; VOY, "False Profits") One of two Ferengi stranded in the Delta Quadrant after attempting to secure the Barzan wormhole for themselves. Crash-landing on the Takaran homeworld, they insinuated themselves to be the Holy Sages prophesied by the Takaran "Song of the Sages" in order to exploit the Takarans for profit.
 Anastasia Komononov (DS9, "Our Man Bashir") A Russian spy in Bashir's secret agent program. Due to a transporter malfunction, Komononov's physical parameters were temporarily modelled on Kira.
 Sirma Kolrami (TNG, "Peak Performance") War strategy consultant for war games between the Enterprise-D and the Hathaway
 Kolopak, father of Chakotay
 Koloth
 Kor
 Korenna (VOY, "Remember") Enaran woman in a star-crossed romance with a primitive regressive. She eventually passed on the memories of the genocide of the regressives to B'Elanna Torres.
 Kozak Klingon who accidentally died at Quark's bar. The financial assets of his House were being siphoned off by the Duras family by using Ferengi-like tactics.
 Kurn (TNG, DS9) Son of Mogh, brother of Worf, played by Tony Todd

 L 

 Silva La Forge, mother of Geordi La Forge
 Lal, daughter of Data
 Natima Lang, a Cardassian radical, the love of Quark's life (DS9, "Profit and Loss")
 Larg (VOY, "Real Life") Klingon friend of Jeffrey in the holographic family program modified by Torres.
 Sam Lavelle (TNG, "Lower Decks") Junior officer aboard the Enterprise-D
 Robin Lefler (TNG, "The Game") Ensign (engineering section) and friend of Wesley Crusher
 Janice Lester (TOS, "Turnabout Intruder") Former lover of Kirk's, temporarily swapped bodies with him
 Li Nalas (DS9, "The Homecoming") Bajoran resistance fighter who became a hero of mythological proportions after unwittingly killing a Cardassian
 Linnis (VOY, "Before And After") Daughter of Tom Paris and Kes, mother of Andrew, in an alternate timeline. Played by Jessica Collins.
 Nick Locarno Classmate of Wesley Crusher's at Starfleet Academy. Some fans believe he is the same person as Tom Paris
 Locutus a drone within the Borg Collective made using the body of Captain Picard
 Lore, "evil brother" of Data
 Colonel Lovok Romulan Tal Shiar officer replaced by a changeling in order to lead the Romulans into a Jem'haddar ambush
 Philippa Louvois Starfleet Judge Advocate General
 Lumba (DS9, "Profit and Lace") Quark's alias while a temporary Ferengi female.
 Lursa, one of the Duras sisters
 Lutan

 M 

 Keiran MacDuff (TNG, "Conundrum") Satarran operative who infiltrated the Enterprise-D after a mass amnesia incident
 Marayna (VOY, "Alter Ego") Operator of a station inside an inversion nebula. When Voyager passed by, she created a human version of herself in Neelix's holographic resort program
 Dr. Kila Marr (TNG, "Silicon Avatar") Dr. Kila Marr is a xenologist dedicated to the study of the Crystalline Entity. After the entity destroyed all life on the Omicron Theta science colony, including her son, in 2338 she became obsessed. When the Enterprise-D encountered the entity in the episode Silicon Avatar in the year 2368 she shattered it with high intensity energy waves.
 Dr. Carol Marcus, inventor of the Genesis Device, mother of Kirk's only known son
 Aamin Marritza (DS9, "Duet") Impersonated Gul Darhe'el to atone for Cardassian war crimes
 Martok
 Martis Mother of Kes, wife of Benaren. Played by Rachel Harris.
 Martus Mazur (DS9, "Rivals") El-Aurian who promoted gambling device that turned out to have strange effects on quantum probability
 Dr. M'Benga (TOS) Assistant to Dr. McCoy
 Marla McGivers Cohabitated with Khan
 Ki Mendrossen (TNG, "Sarek") Assistant to Ambassador Sarek for the Legaran negotiations
 Minuet, Riker's holodeck fantasy woman, created by the Bynars and reproduced by Barash
 Miri (TOS, "Miri")
 Mogh, father of Worf
 Moogie (DS9) Quark and Rom's mother
 Morn, regular to Quark's bar, but never talks
 James Moriarty, character created by Arthur Conan Doyle, becomes sentient in the holodeck
 Crell Moset (VGR, "Nothing Human") Cardassian doctor, cured the Fostossa virus by experimenting on Bajorans. When B'Elanna Torres was invaded by a cytoplasmic lifeform, the Voyager EMH was assisted by a holographic reproduction of Dr. Moset, and the procedure was a success. But because Maquis crewmembers objected to Dr. Moset, the EMH decided to delete the program.
 Mot Barber on Enterprise-D
 Harry Mudd (TOS), aka Harcourt Fenton Mudd
 Father Mulligan Alias used by The Doctor while in Fair Haven as a priest.

 N 

 Nagilum (TNG, "Where Silence Has Lease")
 Nakahn (VOY, "Darkling") Mikhal Traveller, owner of a lodge
 Neelix Barclay's pet cat, named after Voyager's Talaxian
 Sir Isaac Newton (TNG, "Descent, Part I") Holographic reproduction for a game of poker with Data
 Nidell (DS9, "Second Sight") with possible redirect
from Fenna
 Nilva (DS9, "Profit and Lace") Slug-O-Cola tycoon and commissioner of the Ferengi Commerce Authority.
 Dr. Noah (DS9, "Our Man Bashir") A mad scientist in Bashir's secret agent program. Due to a transporter malfunction, Dr. Noah's physical parameters were temporarily modelled on Sisko.
 Nog, son of Rom, nephew of Quark
 Noggra (DS9, "The Sons of Mogh") Old family friend of Worf who took Kurn into his family.
 Noss (VGR, "Gravity") Woman who survived in Class D planet within sinkhole for several years. Fell in love with Tuvok. Portrayed by Lori Petty.
 N'Vek (TNG, "Face of the Enemy") Romulan subcommander who helped deliver Romulan dissidents to the Enterprise.

 O 

 Keiko O'Brien, istri Miles O'Brien
 Miles O'Brien, transporter chief on the Enterprise-D, Chief of Operations at DS9
 Molly O'Brien, putri Miles dan Keiko O'Brien
 Katie O'Claire Alias used by Kathryn Janeway while in Fair Haven
 Odala (VOY, "Distant Origin") Saurian minister who refuses to believe Professor Gegen's distant origin theory of their race.
 Odan (TNG, "The Host"), a precedent for Trills disregarded on DS9
 Odo (DS9) changling security officer
 Ralph Offenhouse 20th Century human cryogenically frozen and discovered by the Enterprise-D
 Alyssa Ogawa, nurse aboard the Enterprise-D
 Thadiun Okona (TNG, "The Outrageous Okona") Captain of a small freighter
 Omet'iklan (DS9, "To The Death") Jem'haddar First who threatened to kill Sisko after completing a mission to kill renegade Jem'haddar soldiers.
 Onaya (DS9, "The Muse") Vampiric being who feeds on creative energy. She claims to have helped artists all over the quadrant, including Earth's William Butler Yeats.
 Kai Opaka

 P 

 Douglas Pabst (DS9, "Far Beyond the Stars"), Editor of a science-fiction magazine in the 1950s, similar to Odo in appearance. Appeared to Sisko in a vision.
 Miral Paris Daughter of Tom Paris and B'Elanna Torres
 Melora Pazlar (DS9, "Melora") Native of a low-gravity planet who served in Starfleet
 Senator Pardek Romulan official agreeable to the idea of reunification with Vulcan
 Perrin Widow of Sarek
 Maurice Picard (TNG, "Tapestry") Wine grower, father of Jean-Luc Picard.
 René Picard Jean-Luc's nephew
 Robert Picard (TNG, "Family") Jean-Luc's brother
 Walter Pierce
 Christopher Pike, Captain of the Enterprise NCC-1701 before James T. Kirk
 Vedek Porta (DS9, "Accession") Bajoran Vedek who killed a member of his group after he refused to follow his D'Jarra.
 Porthos, Archer's dog
 Prinadora, a Ferengi female. She was the former wife of Rom, and the mother of their son Nog. She took advantage of Rom's love for her and tricked him into signing an extension to their marriage contract; Prinadora's father was subsequently able to swindle Rom out of all his money, whereupon Prinadora left Rom for another man.
 Captain Proton, played by Tom Paris on the holodeck

 Q 

 Q, various beings from the Q Continuum
 Qatai (VGR, "Bliss") Man who hunted large, spacefaring bioplasmic lifeform for at least 40 years.
 Dr. Dalen Quaice (TNG, Remember Me) Old colleague of Dr. Crusher's
 Quark, Ferengi bartender
 Gregory Quinn, infested by alien parasite conspiring against humanity

 R 

 Rakal (TNG, "Face of the Enemy") Romulan Tal Shiar officer. She was killed by dissidents who then drafted Troi to impersonate her.
 Berlinghoff Rasmussen (TNG, "A Matter of Time") Con artist who travelled forward in time with the intention of stealing technology from the future and then patenting it in his own time
 Claire Raymonds 20th Century human cryogenically frozen and discovered by the Enterprise-D
 Cyrus Redblock Fictional 1940s crime boss, from Picard's "Dixon Hill" holodeck adventures
 Dexter Remmick, infested by alien parasite conspiring against humanity
 Captain Paul Rice, warned Picard of a conspiracy at Starfleet Headquarters
 Kyle Riker (TNG, "The Icarus Factor"), civilian strategist, father of William Riker
 Thomas Riker, transporter clone of William Riker
 Rislan (VOY, "Displaced") Nyrian scientist pretending to help Torres with the unexplained transports switching the Voyager crew with Nyrians.
 Riva (TNG, "Loud as a Whisper")
 Captain Rixx (TNG, "Conspiracy") Captain of USS Thomas Paine, helped warn Picard about alien invasion.
 Ro Laren Served in Starfleet, later joined the Maquis
 Rain Robinson (VOY, "Future's End", Parts I & II) Young woman working for SETI
 Rodek (DS9, "The Sons of Mogh") Son of Noggra. Identity given to Kurn after Worf failed to fulfill Kurn's request for ritual murder.
 Amanda Rogers (TNG, "True Q") Raised as a human but actually a member of the Q Continuum
 Rom, brother of Quark
 Ronin (TNG, "Sub Rosa")
 Admiral Conaught Rossa Biological grandmother of Jeremiah Rossa.
 Jeremiah Rossa See Jono.
 Jackson Roy Kirk (TOS, "The Changeling"), 21st Century robotics engineer who built the space probe known as Nomad which was launched from Earth to explore the galaxy.
 Alexander Rozhenko, son of Worf
 Helen Rozhenko, adopted mother of Worf
 Nikolai Rozhenko (TNG, "Homeward Bound"), Worf's human adopted brother
 Sergey Rozhenoko, adopted father of Worf
 Benny Russell (DS9, "Far Beyond the Stars"), African-American science-fiction writer in the 1950s. The magazine he worked for refused to publish one of his stories featuring "a Negro captain". Appeared to Sisko in a vision.

 S 

 Saavik (Star Trek II; Star Trek III; Star Trek IV) Half-Vulcan, half-Romulan Starfleet officer, played first by Kirstie Alley, later by Robin Curtis
 Sakkath (TNG, "Sarek") assistant to Sarek during the Legaran negotiations
 Sarek Famed Vulcan ambassador and father of Spock, played by Mark Lenard
 Sarjenka (TNG, "Pen Pals") Native of a seismically active planet who was helped by Data, played by Nikki Cox
 Admiral Norah Satie (TNG, "The Drumhead") Legendary Starfleet admiral who headed a paranoia-fueled investigation aboard Enterprise-D, played by Jean Simmons
 Tryla Scott (TNG, "Conspiracy") Youngest Captain in Starfleet history, helped warn Picard of alien invasion
 Sela (TNG) Daughter of Tasha Yar and a Romulan officer
 Dr. Selar (TNG, "The Schizoid Man") Vulcan medical officer on Enterprise-D, played by Suzie Plakson
 Subcommander Selok (TNG, "Data's Day") with possible redirect or disambiguation from T'Pel
 Gideon Seyetik (DS9, "Second Sight") Arrogant terraformer, played by Richard Kiley
 Shakaar Edon (DS9) Former leader of Bajoran resistance during Cardassian occupation, later First Minister of Bajor, played by Duncan Regehr
 Shinzon (Star Trek: Nemesis) An imperfect clone of Picard who attempted to seize control of the Romulan Empire, played by Tom Hardy
 Jaglom Shrek (TNG, "Birthright, Part I") Yridian with information to sell about Klingons captured by Romulans at Khitomer.
 Khan Noonien Singh (TOS, "Space Seed"; Star Trek II) Genetically enhanced superman from the late 1990's who attempted to seize control of the Enterprise and later took revenge on Admiral Kirk, played by Ricardo Montalban
 Benjamin Sisko Station commander of DS9 and Emissary to the Prophets, played by Avery Brooks
 Jake Sisko (DS9) Son of Benjamin and Jennifer Sisko, played by Cirroc Lofton
 Jennifer Sisko (DS9) Wife of Benjamin Sisko, killed at Wolf 359, but survived in mirror universe, played by Felecia M. Bell
 Joseph Sisko (DS9) New Orleans restaurateur and father of Benjamin Sisko, played by Brock Peters
 Korenna Sisko (DS9, "The Visitor") Bajoran wife of Jake Sisko in an alternate future, played by Galyn Görg
 Sito Jaxa (TNG, "Lower Decks") Bajoran junior officer aboard the Enterprise-D, played by Shannon Fill
 Luther Sloan (DS9) Section 31 operative who attempted to recruit Bashir numerous times, played by William Sadler
 Lily Sloane (FCT) Twenty-first century human female who was treated for radiation poisoning on the Enterprise, and later befriended Captain Picard
 Sonak (The Motion Picture) Potential replacement for Mr. Spock, died in a transporter accident.
 Arik Soong (ENT, "Borderland") Criminal creator of genetically engineered humans, ancestor of Noonien Soong, played by Brent Spiner
 Noonien Soong (TNG) Human cyberneticist who created Data, played by Brent Spiner
 Tolian Soran (Star Trek: Generations) El-Aurian scientist desperate to return to the Nexus, played by Malcolm McDowell
 Sovak (TNG, "Captain's Holiday") Ferengi who sought to profit from an archeaological search for the Tox Uthat, played by Max Grodénchik
 Spot Data's pet cat
 Henry Starling (VOY, "Future's End", Parts I & II) 20th century pothead turned entrepreneur after discovering a 29th century spacecraft crash-landed near his campsite, played by Ed Begley, Jr.
 Stonn (TOS, "Amok Time") Vulcan, T'Pring's lover
 Dr. Paul Stubbs (TNG, "Evolution") Astrophysicist played by Ken Jenkins, who now plays Dr. Kelso on Scrubs
 Lon Suder (VOY) Bajoran Maquis psychopath who helped retake Voyager after it was commandeered by the Kazon, played by Brad Dourif
 Michael Sullivan (VOY) Holographic character in Tom Paris's Fair Haven, owner of a pub in a quaint Irish village. He became romantically involved with Captain Janeway, who made several modifications to his program, until she told the computer to not allow her to make any more modifications.
 Demora Sulu (Star Trek: Generations) Hikaru Sulu's daughter, served aboard the Enterprise-B, played by Jacqueline Kim
 Surak (TOS, "The Savage Curtain") Legendary Vulcan who led his people to a logical lifestyle
 Sutok (VOY, "Fair Trade") Drug addict who buys his drugs at the Nekrit Supply Depot
 Sybok (Star Trek V) Spock's half-brother, played by Laurence Luckinbill
 Syrran (ENT, "The Forge"), the founder of a Vulcan splinter group following the teachings of the philosopher Surak

 T 

 Enabran Tain (DS9), Cardassian master spy, father of Garak, and head of the Obsidian Order. Played by Paul Dooley.
 Juliana Tainer (TNG, "Inheritance"), widow of Noonien Soong, "mother" of Data.
 Tal Celes (VOY, "The Haunting of Deck Twelve", "Good Shepherd") Crewman considered inefficient by Seven. Played by Zoe McLellan, better known as Petty Officer Coates on JAG
 Taleen (VOY, "Displaced") Nyrian who explained a new customized habitat to the Voyager crew, as part of the Nyrian's forced relocation scam.
 Taurik (TNG, "Lower Decks") Junior officer aboard the Enterprise-D
 Captain Clark Terrell, captain of the USS Reliant
 Tieran (VOY, "Warlord") Ilaran tyrant ("autarch") who cheated death by transferring his consciousness to other bodies
 Timicin (TNG, "Half a Life") Astrophysicist whose culture tradionally kills people at a certain age
 T'Lar
 DaiMon Tog (TNG, "Menage a Troi") Ferengi captain of the Krayton who kidnapped Lwaxana Troi hoping to use her telepathic abilities for profit
 Toman'torax (DS9, "To The Death") Jem'haddar Second to Omet'iklan, executed by his First after fighting with Worf.
 Tora Ziyal, half-Bajoran daughter of Gul Dukat
 Toreth (TNG, "Face of the Enemy") Romulan commander of a warbird, unwittingly helped dissidents defect.
 Tosin (VOY, "Fair Trade") Bandit scamming people trading at the Nekrit Supply Depot
 T'Pan
 T'Pau (TOS, "Amok Time"; ENT, "The Awakening" and "Kir'Shara") Vulcan Official, the only person ever to turn down a seat on the Federation council. Leads a rebellion against the Vulcan High Command in the 22nd Century, and a century later officiates at Spock's "marriage or challenge" ceremony.
 T'Pring (TOS, "Amok Time") Unfaithful Vulcan girl who was betrothed to Spock by their parents when they were 7 years old.
 The Traveler (TNG, "Where No Man Has Gone Before", "Remember Me", "Bloodlines"), Humanoid from Tau Alpha C with exceptional mental abilities, including mastery over time and space.
 Trelane (TOS, "The Squire of Gothos")
 Trevean (DS9, "The Quickening") Teplan equivalent to Jack Kevorkian, assisted the suicide of many Teplans afflicted by the blight.
 Ian Andrew Troi (TNG, "The Child"), son of Deanna Troi and space-dwelling lifeform.
 Ian Andrew Troi, father of Deanna Troi
 Kestra Troi sister of Deanna Troi
 Lwaxana Troi, Daughter of the Fifth House, Holder of the Sacred Chalice of Rixx, Heir to the Holy Rings of Betazed (TNG/DS9, various episodes), Betazed mother of Deanna Troi.
 Tuvix (VOY, "Tuvix"), individual created in a transporter accident that merged Tuvok and Neelix.
 Mark Twain (TNG, "Time's Arrow")

 U 

 Aquiel Uhnari (TNG, "Aquiel") Comm tech at Relay Station 47.
 Kevin Uxbridge (TNG, "The Survivors") Powerful being repentant for genocide
 Rishon Uxbridge (TNG, "The Survivors") Wife of Kevin Uxbridge

 V 

 Vadosia (DSN, "The Forsaken"), Bolian ambassador sent to Deep Space Nine to investigate the Bajoran wormhole in 2369.
 Varria (TNG, "The Most Toys") Assistant to Kivas Fajo for 14 years. Helping Data escape from Fajo's ship led to her death.
 Vash, falls in love with Picard, in the show and in real life
 Veer (VOY, "Distant Origin") Assistant to Professor Gegen.
 Jason Vigo (TNG, "Bloodlines"). Bok, a Ferengi, altered Vigo's DNA to appear as if he was the son of Enterprise Captain Jean-Luc Picard. Vigo was used as bait by Bok so Bok could avenge his son's death (his son was killed by Picard).
 Miranda Vigo Mother of Jason Vigo
 Vorik Vulcan engineer aboard Voyager

 W 

 Tim Watters (DS9, "Valiant") kadet Red Squad yang memimpin USS Valiant setelah kematian Captain Ramirez. Diperankan oleh Paul Popowich
 Weyoun (DS9) dari spesies Vorta, laki-laki, diklon setidaknya delapan kali
 Naomi Wildman (VOY) setengah Ktarian, setengah manusia, perempuan, anak dari Greskrendregtk dan Samantha Wildman, dilahirkan di pesawat Voyager, meninggal sesaat setelah dilahirkan namun digantikan oleh seorang duplikat, tumbuh pesat karena gen dari ayahnya
 Samantha Wildman (VOY) manusia, perempuan, menikah dengan Greskrendregtk, seorang Ktarian, melahirkan anak perempuan bernama Naomi di dalam pesawat Voyager
 Vedek, Kai Winn Adami (DS9) spesies Bajoran, perempuan
 Wixiban (VOY, "Fair Trade") spesies Talaxian, laki-laki, bertemu dengan Neelix di Nekrit Supply Depot
 Worf anak Mogh
 Colonel Worf (TUC) pengacara Captain Kirk dalam pengadilan

 Y 

 Ishara Yar (TNG, "Legacy") adik perempuan Tasha Yar
 Captain Kasidy Yates (DS9)

 Z 

 Zahir (VOY, "Darkling") pengembara Mikhal yang jatuh cinta pada Kes
 Grand Nagus Zek (DS9), pemimpin ras Ferengi