TOS recurring characters
This page is a list of characters who recur in several episodes of , not including characters played by the main series cast.

B 
 Brent (played by Frank da Vinci)

C 
 Christine Chapel (played by Majel Barrett)
 Also appeard in

D 
 DeSalle (played by Michael Barrier)
 DePaul (played by Sean Kenney)

F 
 John Farrell (played by Jim Goodwin)

G 
 Galloway (played by David L. Ross)

H 
 Hadley (played by William Blackburn)

K 
 Kelowitz (played by Grant Woods)
 Kyle (played by John Winston)
 Also appeared in

L 
 Lemli (played by Roger Holloway)
 Leslie (played by Eddie Paskey)
 Also appeared in

M 
 Joseph M'Benga (played by Booker Bradshaw)
 Angela Martine (played by Barbara Baldavin)
 Harry Mudd (played by Roger Carmel)
 Also appeared in

O 
 O'Neil (played by Sean Morgan)

P 
  (played by Elizabeth Rogers)

R 
 Janice Rand (played by Grace Lee Whitney)
 Also appeared in
 
 
 Kevin Riley (played by Bruce Hyde)

 The Federation's computer voice (played by Majel Barrett)
 The only performance to be featured in the first six Star Trek series.

Characters who recurred in other series
 
 Amanda Grayson (played by Jane Wyatt; also in the fourth movie; also in a flashback in the fifth movie, by a different actress)
 Christopher Pike (played by Jeffrey Hunter and Sean Kenney in TOS; played by Anson Mount in  and )
 Cyrano Jones
 Kang
 Koloth
 Kor
 Korax
 Sarek (played by Mark Lenard; also in the 3rd, 4th, 6th movies and in a flashback in the 5th, by a different actor)
 T'Pau
 Una (played by Majel Barrett in TOS; played by Rebecca Romijn in  and 
 White Rabbit

See also
 Character crossover appearances

nl:TOS terugkerende personages
TOS recurring characters, List of