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