TOS regular cast non-appearances


William Shatner 
 James T. Kirk
 None

Leonard Nimoy 
 Spock
 None

DeForest Kelley 
 Leonard McCoy
  (Season 1)
  (only in recap, recycled footage)

James Doohan 
 Montgomery Scott
  (voice only) (Season 1)
 
 
 
 
 
 
  (only in recap, recycled footage)
 
 
  (mentioned only)
 
  (Season 2)
  (mentioned only)
 
  (voice only) (Season 3)

George Takei 
 Hikaru Sulu
  (voice only) (Season 1)
 
 
 
 
 
 
 
 
 
 
 
  (Season 2)
 
 
 
 
 
 
 
 
 
 
  (Season 3)
 
  (stock footage only)

Walter Koenig 
 Pavel Chekov
  (Season 2)
 
 
 
 
 
  (Season 3)
 
  (stock footage only)
  (mentioned only)

Nichelle Nichols 
 Nyota Uhura
  (voice only) (Season 1)
 
  (voice only)
 
  (Season 2)
 
 
  (stock footage only) (Season 3)

Majel Barrett 
 Christine Chapel/Number One
  (Season 1)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (Season 2)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (Season 3)

Grace Lee Whitney 
 Janice Rand
  (Season 1)