Admiral James T. Kirk
William Shatner
Mr. Spock
Leonard Nimoy
CPO Janice Rand
Grace Lee Whitney
Klingon Captain
Mark Lenard
Alien Boy
Billy Van Zandt
Epsilon Technician
Roger Aaron Brown
Airlock Technician
Gary Faga
Crew Member
Franklyn Seales
Klingon Crewman
Joel Kramer
Cmdr. Branch
David Gautreaux
Assistant to Rand
John Gowans
Cargo Deck Ensign
Howard Itzkowitz
Dr. Leonard 'Bones' McCoy
DeForest Kelley
Lt. Cmdr. Sonak
Jon Rashad Kamal
Chief DiFalco
Marcy Lafferty
Lieutenant
Michele Povill
Technician
Jeri McBride
Chief Ross
Terrence O'Connor
Lt. Cleary
Michael Rougas
Woman
Susan O'Sullivan
Ralph Brannen
Ralph Byers
Paula Crist
Cmdr. Montgomery 'Scotty' Scott
James Doohan
Iva Lane
Momo Yashima
Jimmie Booth
Dave Moordigian
Tom Morga
Tony Rocco
Joel Schultz
Craig Thomas
Vulcan Master
Edna Glover
Norman Stuart
Lt. Cmdr. Hikaru Sulu
George Takei
Paul Weber
Security Officer
Joshua Gallegos
Yeoman
Lisa Chess
Leslie C. Howard
Technical Assistant
Sayra Hummel
Junero Jennings
Extra (uncredited)
Christopher Doohan
Lt. Pavel Chekov
Walter Koenig
Lt. Cmdr. Uhura
Nichelle Nichols
Captain William Decker
Stephen Collins
Lt. Ilia / The Probe
Persis Khambatta
Dr. Christine Chapel
Majel Barrett
Stunts
Bob Bralver
Visual Effects
Douglas Trumbull
Original Music Composer
Jerry Goldsmith
Supervising Sound Editor
Richard L. Anderson
Sound Effects
Alan Howarth
Director of Photography
Richard H. Kline
Editor
Todd C. Ramsay
Producer
Gene Roddenberry
Director
Robert Wise
Alexander Courage
Makeup Artist
Ve Neill
Sound Editor
Alan Robert Murray
Visual Effects Camera
Robert Elswit
Production Design
Harold Michelson
Casting
Marvin Paige
Jon Povill
Art Direction
Leon Harris
Joseph R. Jennings
John Vallone
Set Decoration
Linda DeScenna
Costume Design
Robert Fletcher
Screenplay
Harold Livingston
Story
Alan Dean Foster
John Dykstra
Richard Yuricich
Animation Supervisor
Robert Swarthe
Sound Mixer
Tom Overton
Stephen Hunter Flick
Cecelia Hall
Colin Waddy
George Watters II
Dirk Dalton
Joel Goldsmith
Francesco Lupica
Frank Serafine
Special Effects Coordinator
Alex Weldon
Darrell Pritchett
Ray Mattey
Martin Bresin
Matte Painter
Matthew Yuricich
Rocco Gioffre
Animation
Harry Moreau
Title Designer
Richard Foy
Robert Abel
Janna Phillips
Fred B. Phillips
Carlos Yeaggy
Makeup Effects
Rick Stratton
Unit Production Manager
Phil Rawlins
Executive In Charge Of Production
Lindsley Parsons Jr.
Second Assistant Director
Douglas E. Wise
Assistant Director
Daniel McCauley
Sound Re-Recording Mixer
Noyan Cosarer
Steve Maslow
Gregg Landaker
Bill Varney
Keith Lane Jensen
Bill Couch
John Hugh McKnight
Kym Washington Longino
Stunt Double
Gaffer
Larry D. Howard
Script Supervisor
Bonnie Prendergast