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.
as Admiral James T. Kirk
as Mr. Spock
as Dr. Leonard 'Bones' McCoy
as Cmdr. Montgomery 'Scotty' Scott
as Lt. Cmdr. Hikaru Sulu
as Lt. Pavel Chekov
as Lt. Cmdr. Uhura
as Captain William Decker
as Lt. Ilia / The Probe
as Dr. Christine Chapel
as CPO Janice Rand
as Klingon Captain
as Alien Boy
as Epsilon Technician
as Airlock Technician
as Crew Member
as Klingon Crewman
as Cmdr. Branch
as Assistant to Rand
as Cargo Deck Ensign
as Lt. Cmdr. Sonak
as Chief DiFalco
as Lieutenant
as Technician
as Chief Ross
as Lt. Cleary
as Woman
as Crew Member
as Crew Member
as Crew Member
as Crew Member
as Crew Member
as Klingon Crewman
as Klingon Crewman
as Klingon Crewman
as Klingon Crewman
as Klingon Crewman
as Klingon Crewman
as Vulcan Master
as Vulcan Master
as Vulcan Master
as Security Officer
as Yeoman
as Yeoman
as Technical Assistant
as Technical Assistant
as Klingon Crewman (as Bill McTosh)
as Enterprise Computer (voice)
as Enterprise Crew Member (uncredited)
as Crew Member (uncredited)
as Enterprise Crew Member (uncredited)
as Enterprise Sciences Crew Member (uncredited)
as Extra (uncredited)
