REGULAR CAST:

William Shatner as Captain James T. Kirk
Leonard Nimoy as Spock
DeForest Kelley as Dr. Leonard H. McCoy
James Doohan as Chief Engineer Montgomery 'Scotty' Scott
George Takei as Lieutenant Hikaru Sulu
Nichelle Nichols as Lieutenant Uhura
Majel Barrett as Nurse Christine Chapel

GUEST CAST:

Peter Duryea as Tyler
John Hoyt as Dr. Boyce
Jeffrey Hunter as Captain Christopher Pike
Sean Kenney as Old Capt. Christopher Pike
Tom Lupo as Security Guard (uncredited)
Susan Oliver as Vina
Julie Parrish as Miss Piper
Malachi Throne as Commodore Jose Mendez
Meg Wyllie as The Keeper

PRODUCTION:

Written by: Gene Roddenberry
Directed by: Marc Daniels