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)
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** (only in recap, recycled footage)
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** (mentioned only)
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** (Season 2)
** (mentioned only)
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** (voice only) (Season 3)
== George Takei ==
* Hikaru Sulu
** (voice only) (Season 1)
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** (Season 2)
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** (Season 3)
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** (stock footage only)
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== Walter Koenig ==
* Pavel Chekov
** (Season 2)
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** (Season 3)
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** (stock footage only)
** (mentioned only)
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== Nichelle Nichols ==
* Nyota Uhura
** (voice only) (Season 1)
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** (voice only)
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** (Season 2)
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** (stock footage only) (Season 3)
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== Majel Barrett ==
* Christine Chapel/Number One
** (Season 1)
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** (Season 2)
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** (Season 3)
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== Grace Lee Whitney ==
* Janice Rand
** (Season 1)
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