Season Regulars 6

1. 

   William Shatner

   James T. Kirk

2. 

   Leonard Nimoy

   Spock

3. 

   DeForest Kelley

   Dr. McCoy

4. 

   James Doohan

   Scott

5. 

   George Takei

   Sulu

6. 

   Nichelle Nichols

   Uhura

Guest Stars 18

1. 

   Majel Barrett

   Nurse Christine Chapel / Number One / Enterprise Computer (voice)

2. 

   Laurel Goodwin

   Yeoman J. M. Colt (archive footage)

3. Janos Prohaska

   The Mugato

4. Georgia Schmidt

   First Talosian (archive footage)

5. Peter Duryea

   Lt. Tyler (archive footage)

6. 

   Susan Oliver

   Vina

7. 

   Meg Wyllie

   The Keeper (archive footage)

8. 

   Bob Johnson

   First Talosian (voice) (uncredited)

9. 

   Adam Roarke

   C.P.O. Garrison (archive footage)

10. 

    Leonard Mudie

    Second survivor (uncredited)

11. 

    Malachi Throne

    The Keeper (voice) (uncredited)

12. 

    John Hoyt

    Dr. Phil Boyce (archive footage)

13. Michael Dugan

    The Kaylar (uncredited)

14. 

    Clegg Hoyt

    Transporter Chief Pitcairn (uncredited)

15. 

    Jeffrey Hunter

    Capt. Christopher Pike

16. 

    Joseph Mell

    Earth Trader (uncredited)

17. 

    Felix Silla

    Talosian (uncredited)

18. 

    Jon Lormer

    Dr. Theodore Haskins (uncredited)

Crew 2