List of Star Trek: The Original Series cast members

List of actors who have appeared on Star Trek: The Original Series.

Main cast

 * William Shatner as James T. Kirk, commanding officer of the USS Enterprise.
 * Leonard Nimoy as Spock, first officer and science officer.
 * DeForest Kelley as Leonard McCoy, chief medical officer.
 * James Doohan as Montgomery Scott, chief engineer.
 * Nichelle Nichols as Nyota Uhura, communications officer.
 * Walter Koenig as Pavel Chekov, navigator and security/tactical officer.
 * George Takei as Hikaru Sulu, helmsman

Recurring cast

 * Majel Barrett as Nurse Christine Chapel, medical officer.
 * Grace Lee Whitney as Janice Rand, Captain's yeoman.
 * John Winston as Kyle, operations officer.
 * Michael Barrier as Vincent DeSalle, navigator and assistant chief engineer.
 * Roger Holloway as Roger Lemli, security officer.
 * Eddie Paskey as Leslie, various positions.
 * David L. Ross as Galloway, various positions.
 * Jim Goodwin as John Farrell, navigator.
 * Grant Woods as Kelowitz, science officer.
 * William Blackburn as Hadley, helmsman.
 * Frank da Vinci as Brent, various positions.
 * Ron Veto as Harrison, various positions.

The Animated Series cast

 * William Shatner as James T. Kirk, commanding officer of the USS Enterprise.
 * Majel Barrett as Christine Chapel, medical officer.
 * James Doohan as Montgomery Scott, chief engineer.
 * DeForest Kelley as Leonard McCoy, chief medical officer.
 * Nichelle Nichols as Uhura, communications officer.
 * Leonard Nimoy as Spock, first officer and science officer.
 * George Takei as Hikaru Sulu, helmsman.

"The Cage" cast

 * Jeffrey Hunter as Christopher Pike, commanding officer of the USS Enterprise in 2254.
 * Majel Barrett as Number One, first officer in 2254.
 * Peter Duryea as José Tyler, navigator in 2254.
 * Laurel Goodwin as J. M. Colt, Captain's yeoman in 2254.
 * John Hoyt as Phillip Boyce, chief medical officer in 2254.
 * Leonard Nimoy as Spock, science officer.

Appearances

 * = Main cast (credited)
 * = Recurring cast (4+)
 * = Guest cast (1-3)