List of Star Trek characters

This article lists characters in the various canonical incarnations of Star Trek. This includes fictional major characters and fictional minor characters created for Star Trek, fictional characters not originally created for Star Trek, and real-life persons appearing in a fictional manner, such as holodeck recreations.

Main characters by series:

• Star Trek: The Original Series
• Star Trek: The Next Generation
• Star Trek: Deep Space Nine
• Star Trek: Voyager
• Star Trek: Enterprise

Main characters

Star Trek: The Original Series

Original crew of the USS Enterprise NCC-1701 as seen on Star Trek: The Original Series: The Cage

Character	Rank	Actor	Position
Christopher Pike	Captain	Jeffrey Hunter	Commanding officer
Spock	Lieutenant	Leonard Nimoy	Junior Science Officer
Number One	Lieutenant	Majel Barrett	First Officer
J. M. Colt	Yeoman	Laurel Goodwin	Yeoman
Phillip Boyce	Doctor	John Hoyt	Doctor
José Tyler	Lieutenant	Peter Duryea	Helmsman
Garrison	Chief Petty Officer	Adam Roarke	Communications Officer

Regular crew of the USS Enterprise NCC-1701

Character	Rank	Actor	Position
James T. Kirk	TOS: Captain; ST I-IV: Rear Admiral, Upper Class; ST V-VII: Captain	William Shatner	Commanding Officer (through VI); Chief of Starfleet Operations before I and again before II
Spock	TOS, ST I: Commander (called "Lt. Commander" early in series); ST II-VI: Captain	Leonard Nimoy	Executive (First) Officer and Science Officer; Commanding Officer before II; Ambassador in TNG
Leonard "Bones" McCoy	TOS: Lt. Commander; ST I-VI: Commander; TNG: Admiral	DeForest Kelley	Chief Medical Officer
Montgomery "Scotty" Scott	TOS: Lt. Commander; ST I-II: Commander; ST III-VII, TNG: Captain (Commander insignia in IV)	James Doohan	Chief Engineer, Second Officer (through VI)
Hikaru Sulu	TOS: Lieutenant; ST I: Lt. Commander; ST II-V: Commander; ST VI, VOY: Captain	George Takei	Helm Officer (originally Astrophysicist); Captain of USS Excelsior in VI
Nyota Uhura	TOS: Lieutenant; ST I: Lt. Commander; ST II-VI: Commander	Nichelle Nichols	Communications Officer
Pavel Chekov	TOS: Ensign; ST I: Lieutenant; ST II-VII: Commander	Walter Koenig	Navigator (TOS); Weapons Officer (I); First Officer, USS Reliant (II); Navigator, Weapons Officer, and Chief of Security (III-VI)
Christine Chapel	TOS: Enlisted Nurse; ST I, IV: Commander	Majel Barrett	Nurse (TOS); Medical Officer (I); Starfleet Headquarters Emergency Officer (IV)
Janice Rand	TOS: Enlisted Yeoman; ST I, (III,) IV: NCO; ST VI, VOY: Commander	Grace Lee Whitney	Yeoman (TOS); Transporter Chief (I); Starfleet Headquarters Staff ([III,] IV) Communications and Executive Officer, USS Excelsior (VI, VOY)

Star Trek: The Next Generation

Regular crew of the USS Enterprise NCC 1701-D as seen on Star Trek: The Next Generation.

Character	Rank	Actor	Position
Jean-Luc Picard	Captain	Patrick Stewart	Commanding officer
William Thomas "Will" Riker	Commander, later Captain	Jonathan Frakes	Executive (first) officer
Data	Lt. Commander (1-7)	Brent Spiner	Second officer, chief operations officer, science officer
Geordi La Forge	Lt. Junior Grade (1), Lieutenant (2), Lt. Commander (3–7)	LeVar Burton	Conn Officer and Ops, later Chief Engineer
Worf	Lt. Junior Grade (1–2), Lieutenant (3–7), Lt. Commander (Generations),	Michael Dorn	Tactical and Conn officer (season 1) Chief security/tactical officer after Yar's death (seasons 2–7)
Doctor Beverly Crusher	Commander	Gates McFadden	Chief medical officer (seasons 1, 3–7; season 2, absent while Chief of Starfleet Medical); bridge officer
Doctor Katherine Pulaski	Commander	Diana Muldaur	Chief medical officer (season 2); was not bridge officer
Deanna Troi	Lt. Commander (1–7), Commander (7)	Marina Sirtis	Ship's counselor; bridge officer
Natasha "Tasha" Yar	Lieutenant	Denise Crosby	Chief of Security (season 1, recurring otherwise)
Wesley Crusher	Acting Ensign (1–3), Ensign (3–4), Cadet (Recurring)	Wil Wheaton	Dr. Crusher's son, Conn Officer (seasons 1–4, recurring otherwise)

Recurring characters

Actor	Role	Appearances
Brian Bonsall	Alexander Rozhenko, Worf's son	Seasons 4–7
Brent Spiner	Lore, Data's Brother	Seasons 1,4,6, and 7
Patti Yasutake	Nurse Alyssa Ogawa	Seasons 3–7
Whoopi Goldberg	Guinan, El Aurian bartender	Seasons 2–6
Rosalind Chao	Keiko O'Brien, Miles O'Brien's wife	Seasons 4–6
Tony Todd	Kurn, Worf's brother	Seasons 3–7
Majel Barrett	Lwaxana Troi, Deanna Troi's mother Voice of the Enterprise computer	Seasons 1–7
Daniel Davis	Professor Moriarty, a sentient holodeck character	Seasons 2 and 6
John de Lancie	Q, member of the omnipotent Q Continuum	Seasons 1–4 and 6–7
Dwight Schultz	Lieutenant Reginald Barclay, engineer	Seasons 3–7
Michelle Forbes	Ensign/Lieutenant Ro Laren, helm officer	Seasons 5–7
Denise Crosby	Sela, a half Romulan, Tasha Yar's daughter	Seasons 4 and 5
Eric Menyuk	The Traveler	Seasons 1, 4, and 7
Mark Lenard	Ambassador Sarek, a Vulcan, and Spock's father	Seasons 3 and 5
Colm Meaney	Miles Edward O'Brien, Navigation and later, Transporter Chief, then transfer to DS9 during season 6	Seasons 1–6
Ashley Judd	Ensign Robin Lefler, mission specialist	Season 5
Jennifer Hetrick	Vash, Picard's Principal love interest	Seasons 3 and 4
Leonard Nimoy	Spock	Season 5

Star Trek: Deep Space Nine

Regular crew and denizens of Space Station Deep Space Nine as seen on Star Trek: Deep Space Nine

Character	Rank	Actor	Position
Benjamin Sisko	Commander (1–3), Captain (3–7)	Avery Brooks	Commanding Officer
Kira Nerys	Major (1–6), Commander (briefly) (7), Colonel (7)	Nana Visitor	First Officer
Odo	Constable (unofficial)	Rene Auberjonois	Chief of Security
Julian Bashir	Lieutenant, junior grade (1–3), Lieutenant (4–7)	Alexander Siddig	Chief Medical Officer
Jadzia Dax	Lieutenant (1–3), Lieutenant Commander (4–6)	Terry Farrell	Science Officer
Ezri Dax	Ensign (7), Lieutenant, junior grade (7)	Nicole de Boer	Counselor
Worf	Lieutenant Commander	Michael Dorn	Strategic Operations Officer/USS Defiant First Officer (4–7)
Miles O'Brien	Senior Chief Petty Officer	Colm Meaney	Chief Operations Officer
Jake Sisko	Civilian	Cirroc Lofton	Student (1–5), Journalist (5–7)
Quark	Civilian	Armin Shimerman	Bar Owner

Major Recurring Characters of Space Station Deep Space Nine as seen on Star Trek: Deep Space Nine

Character	Rank	Actor	Position
Elim Garak	Agent of the Obsidian Order	Andrew J. Robinson	Tailor and Spy
Martok	General of the Klingon Empire	J. G. Hertzler
Gowron	Chancellor of the Klingon Empire	Robert O'Reilly
Rom	Civilian	Max Grodénchik	Bar Employee (1-4), Engineer (4-7)
Alexander Rozhenko	Bekk in the Klingon Defense Force	Marc Worden	Worf's son, adopted member of the House of Martok
Nog	Civilian (1-4), Cadet (4-5), Ensign (6-7), Lieutenant, junior grade (7)	Aron Eisenberg	Bar Employee and Student (1-4), Starfleet Member (4-7)
Gul Dukat	Gul (1-7)	Marc Alaimo	Cardassian Leader (1-4), Freight Ship Commander (4), Vigilante (4-5), Head of Cardassia (5), Religious Figure (6-7)
Weyoun	Second in Command	Jeffrey Combs	Leader of the Dominion forces in the Alpha Quadrant

For Recurring characters, see List of Star Trek: Deep Space Nine characters

Star Trek: Voyager

Regular crew of the USS Voyager NCC-74656 as seen on Star Trek: Voyager

Character	Rank	Actor	Position
Kathryn Janeway	Captain, ST X: Vice Admiral	Kate Mulgrew	Commanding Officer
Chakotay	Originally Maquis, Commander	Robert Beltran	Executive (First) Officer
Tuvok	Lieutenant, then Lieutenant Commander	Tim Russ	Chief Security/Tactical officer
B'Elanna Torres	Originally Maquis, Lieutenant Junior Grade	Roxann Dawson	Chief Engineer
Tom Paris	Lieutenant, demoted to Ensign, later promoted to Lieutenant Junior Grade	Robert Duncan McNeill	Chief CONN Officer (Pilot)
Harry Kim	Ensign	Garrett Wang	Chief Operations Officer
The Doctor	No Rank (Computer Program)	Robert Picardo	Emergency Medical Hologram, Emergency Command Hologram, Chief Medical Officer
Neelix	Civilian	Ethan Phillips	Voyager's Chef, diplomatic adviser and morale officer, close to the end of the series Neelix becomes Ambassador for Starfleet in the Delta Quadrant.
Kes	Civilian (1–3, Recurring in 4,6)	Jennifer Lien	Aeroponics gardener, medical aide/student
7 of 9	Civilian (4–7)	Jeri Ryan	Astrometrics

Recurring characters

Actor	Role	Appearances
Martha Hackett	Ensign Seska, a Cardassian agent	Seasons 1–3 and 7
Alexander Enberg	Ensign Vorik, a Vulcan	Seasons 3–5 and 7
Scarlett Pomers	Naomi Wildman, the first child born on Voyager and first Federation citizen born in the Delta Quadrant	Seasons 2–7
Tarik Ergin	Lieutenant Ayala	Seasons 1–7
John Tempoya	Nozawa Kashimuro	Seasons 1–4 and 7
Nancy Hower	Ensign Samantha Wildman, Naomi's mother	Seasons 2–6
Josh Clark	Lieutenant Joseph Carey	Seasons 1 and 5–7
Simon Billig	Lieutenant Hogan	Seasons 2 and 3
Christine Delgado	Lieutenant Susan Nicoletti	Seasons 1–4 and 7
Dwight Schultz	Lieutenant Reginald Barclay	Seasons 2 and 6–7
Raphael Sbarge	Ensign Michael Jonas	Season 2
Tom Virtue	Lieutenant Walter Baxter	Seasons 1–2 and 7
Manu Intiraymi	Icheb, formerly a Borg drone	Seasons 6–7
Alice Krige / Susanna Thompson	The Borg Queen	Seasons 5–7
Marley S. McClean	Mezoti, formerly a Borg drone	Seasons 6–7
Cody Wetherill	Rebi, formerly a Borg drone	Seasons 6–7
Kurt Wetherill	Azan, formerly a Borg drone	Seasons 6–7
Brad Dourif	Ensign Lon Suder, convicted of murder	Seasons 2–3
Brian Markinson	Lieutenant Peter Durst	Season 1
Zoe McLellan	Crewman Tal Celes	Season 6
John de Lancie	Q, galactic gadfly	Seasons 2–3 and 7
Martin Rayner	Doctor Chaotica (Holodeck character)	Seasons 5 and 7
Allan G. Royal / Bruce McGill	Captain Braxton, Starfleet captain from the 29th century	Seasons 3 and 5
Richard Herd	Admiral Owen Paris, father of Tom Paris	Seasons 2 and 5–7
John Rhys-Davies	Holodeck incarnation of Leonardo da Vinci	Seasons 3–4
Marina Sirtis	Deanna Troi	Seasons 6 & 7
Jonathan Frakes	William Thomas "Will" Riker	Season 1

Star Trek: Enterprise

Regular crew of the Enterprise NX-01 as seen on Star Trek: Enterprise

Character	Rank	Actor	Position
Jonathan Archer	Captain	Scott Bakula	Captain and commanding officer of the Starship Enterprise.
T'Pol	Subcommander (Vulcan High Command), later Commander (Starfleet)	Jolene Blalock	Executive (First) Officer and Chief Science Officer; sole Vulcan regular crew member.
Charles "Trip" Tucker III	Commander	Connor Trinneer	Chief engineer.
Malcolm Reed	Lieutenant	Dominic Keating	Tactical officer.
Hoshi Sato	Ensign	Linda Park	Communications officer.
Travis Mayweather	Ensign	Anthony Montgomery	Helm officer.
Phlox	Civilian (Doctor)	John Billingsley	Chief Medical Officer

Recurring characters

Actor	Role	Appearances
Pranda/ Brezzy/ Windy	Porthos, Captain Archers pet dog	Parts of Seasons 1–4
Vaughn Armstrong	Vice-Admiral Maxwell Forrest, Captain Archer's superior officer	Seasons 1–4
Ada Maris	Captain Erika Hernandez, Captain of the Columbia	Season 4
Gary Graham	Soval, Vulcan ambassador	Seasons 1–4
John Fleck	Silik, Suliban antagonist	Seasons 1–4
Kellie Waymire	Crewman Elizabeth Cutler, entomologist aboard the Enterprise	Season 1
Randy Oglesby	Degra, a Xindi primate	Season 3
Steven Culp	Major J. Hayes, leader of the MACO team	Season 3
Jeffrey Combs	Thy'lek Shran, Commander in the Andorian Imperial Guard	Seasons 1–4
Matt Winston	Crewman Daniels, temporal agent from the 31st century	Seasons 1–4
Joseph Will	Michael Rostov, engineering crewman	Seasons 1–2
None credited	Chef, who heads Enterprise's kitchen, and is only ever seen from the waist down, if not merely mentioned.	Seasons 1–4

Alphabetical list

See subarticles:

• List of Star Trek characters: A-F
• List of Star Trek characters: G-M
• List of Star Trek characters: N-S
• List of Star Trek characters: T-Z

See also

• List of Star Trek: Deep Space Nine characters
• List of Star Trek episodes