Admiral James T. Kirk
William Shatner
Dr. Leonard 'Bones' McCoy
DeForest Kelley
Vulcan High Priestess
Judith Anderson
Captain Styles
James B. Sikking
Capt. Esteban
Phillip R. Allen
Admiral Morrow
Robert Hooks
Maltz
John Larroquette
Spock...Age 9
Carl Steven
Spock...Age 13
Vadia Potenza
Spock...Age 17
Stephen Manley
Spock at age 25
Joe W. Davis
Captain Spock / Elevator Voice
Leonard Nimoy
Captain Montgomery 'Scotty' Scott
James Doohan
First Officer
Miguel Ferrer
Klingon Gunner #2
Branscombe Richmond
Spock's Screams
Frank Welker
Starfleet Cadet "Mr. Adventure"
Scott McGinnis
Trainee Foster
Phil Morris
Helm Officer
Jeanne Mori
Commander Janice Rand (Woman in Cafeteria)
Grace Lee Whitney
Bar Waitress (uncredited)
Nanci Rogers
Captain
Paul Sorensen
Cmdr. Hikaru Sulu
George Takei
Cmdr. Pavel Chekov
Walter Koenig
Cmdr. Uhura
Nichelle Nichols
Cmdr. Kruge
Christopher Lloyd
Lt. Saavik
Robin Curtis
Ambassador Sarek
Mark Lenard
Dr. David Marcus
Merritt Butrick
Stunts
Chuck Picerni Jr.
Stunt Coordinator
R.A. Rondell
Sound Effects
Alan Howarth
Eddy Donno
Special Effects Makeup Artist
Tom Woodruff Jr.
Producer
Harve Bennett
Writer
Stunt Double
John C. Meier
Original Music Composer
James Horner
Kenny Endoso
Chuck Hicks
Director
Visual Effects Supervisor
Ken Ralston
Director of Photography
Charles Correll
Art Direction
John E. Chilberg II
Set Decoration
Tom Pedigo
Costume Design
Robert Fletcher
Editor
Robert F. Shugrue
Casting
Mary Ann Barton
Elza Bergeron
Stuart Jensen
Executive Producer
Gary Nardino
Associate Producer
Ralph Winter
Makeup Artist
Wes Dawn
Hairstylist
Silvia Abascal
Jim Kail
James Lee McCoy
Steve LaPorte
Rick Stratton
First Assistant Director
John Hockridge
Supervising Sound Editor
Cecelia Hall
Sound Re-Recording Mixer
Robert W. Glass Jr.
David J. Hudson
Ray West
Special Effects
Bob Dawson
Al Jones
Steve Blalock
Phil Chong
David Burton
James M. Halty
Jeff Jensen
Tom Morga
Don Charles McGovern
Alan Oliney
Danny Rogers
Ron Stein
Frank James Sparks
Ernest Robinson
Jean Coulter