A surprise visit from Spock's father provides a startling revelation: McCoy is harboring Spock's living essence.
Admiral James T. Kirk
Dr. Leonard 'Bones' McCoy
Captain Montgomery 'Scotty' Scott
Cmdr. Hikaru Sulu
Cmdr. Pavel Chekov
Cmdr. Uhura
Cmdr. Kruge
Lt. Saavik
Ambassador Sarek
Dr. David Marcus
Vulcan High Priestess
Captain Styles
Capt. Esteban
Admiral Morrow
Maltz
Spock...Age 9
Spock...Age 13
Spock...Age 17
Spock at age 25
Captain Spock / Elevator Voice
First Officer
Klingon Gunner #2
Spock's Screams
Starfleet Cadet "Mr. Adventure"
Trainee Foster
Helm Officer
Commander Janice Rand (Woman in Cafeteria)
Bar Waitress (uncredited)
Captain
Merchantman First Officer (uncredited)
Director of Photography
Set Decoration
Casting
Original Music Composer
Editor
Casting
Director
Costume Design
Art Direction
Producer
Casting
Writer
Associate Producer
Executive Producer
Makeup Artist
Hairstylist
Makeup Artist
Makeup Artist
Sound Re-Recording Mixer
Stunts
Stunts
Sound Re-Recording Mixer
Sound Effects
Stunts
Stunts
Stunts
Special Effects
Special Effects Makeup Artist
Stunts
Supervising Sound Editor
Stunt Coordinator
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunts
Stunt Coordinator
First Assistant Director
Makeup Artist
Special Effects Makeup Artist
Sound Re-Recording Mixer
Stunt Double
Stunts
Stunts
Stunt Double
Stunts
Visual Effects Supervisor
Original Series Creator