William Shatner
Admiral James T. Kirk
DeForest Kelley
Dr. Leonard 'Bones' McCoy
James Doohan
Cmdr. Montgomery 'Scotty' Scott
George Takei
Lt. Cmdr. Hikaru Sulu
Walter Koenig
Lt. Pavel Chekov
Nichelle Nichols
Lt. Cmdr. Uhura
Stephen Collins
Captain William Decker
Persis Khambatta
Lt. Ilia / The Probe
Majel Barrett
Dr. Christine Chapel
Grace Lee Whitney
CPO Janice Rand
Mark Lenard
Klingon Captain
Roger Aaron Brown
Epsilon Technician
Gary Faga
Airlock Technician
Franklyn Seales
Crew Member
Joel Kramer
Klingon Crewman
David Gautreaux
Cmdr. Branch
John Gowans
Assistant to Rand
Howard Itzkowitz
Cargo Deck Ensign
Jon Rashad Kamal
Lt. Cmdr. Sonak
Marcy Lafferty
Chief DiFalco
Terrence O'Connor
Chief Ross
Jimmie Booth
Klingon Crewman
Dave Moordigian
Klingon Crewman
Tony Rocco
Klingon Crewman
Joel Schultz
Klingon Crewman
Craig Thomas
Klingon Crewman
Norman Stuart
Vulcan Master
Joshua Gallegos
Security Officer
Sayra Hummel
Technical Assistant
Junero Jennings
Technical Assistant
Christopher Doohan
Extra (uncredited)
