On screen
Cast
57 credited performers
William Shatner
Captain Kirk
Leonard Nimoy
Spock
DeForest Kelley
Dr. McCoy
James Doohan
Scotty
George Takei
Sulu
Walter Koenig
Chekov
Nichelle Nichols
Uhura
Stephen Collins
Decker
Persis Khambatta
Ilia
Majel Barrett
Dr. Chapel
Grace Lee Whitney
Janice Rand
Mark Lenard
Klingon Captain
Billy Van Zandt
Alien Boy
Roger Aaron Brown
Epsilon Technician
Gary Faga
Airlock Technician
David Gautreaux
Commander Branch
John Gowans
Assistant to Rand
Howard Itzkowitz
Cargo Deck Ensign
Jon Rashad Kamal
Lt. Commander Sonak
Marcy Lafferty
Chief DiFalco
Michele Povill
Lieutenant
Jeri McBride
Technician
Terrence O'Connor
Chief Ross
Michael Rougas
Lt. Cleary
Susan O'Sullivan
Woman
Ralph Brannen
Crew Member
Ralph Byers
Crew Member
Paula Crist
Crew Member
Iva Lane
Crew Member
Franklyn Seales
Crew Member
Momo Yashima
Crew Member
Jimmie Booth
Klingon Crewman
Joel Kramer
Klingon Crewman
Bill McIntosh
Klingon Crewman
Dave Moordigian
Klingon Crewman
Tom Morga
Klingon Crewman
Tony Rocco
Klingon Crewman
Joel Schultz
Klingon Crewman
Craig Thomas
Klingon Crewman
Edna Glover
Vulcan Master
Norman Stuart
Vulcan Master
Paul Weber
Vulcan Master
Joshua Gallegos
Security Officer
Leslie C. Howard
Yeoman
Sayra Hummel
Technical Assistant
Junero Jennings
Technical Assistant
Lisa Chess
Yeoman (uncredited)
Doug Hale
Enterprise Computer (voice) (uncredited)
David Armstrong
Enterprise Crew Member (uncredited)
Richard Arnold
Crew Member (uncredited)
Rosanna Attias
Enterprise Crew Member (uncredited)
Jerry Best
Enterprise Sciences Crew Member (uncredited)
Christopher Doohan
Extra (uncredited)
Fred Bronson
Enterprise Crew Member (uncredited)
Bob Bryan
Enterprise Crew Member (uncredited)
Robert Buckingham
Enterprise Crew Member (uncredited)
Celeste Cartier
Enterprise Crew Member (uncredited)