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:

Jerry Ayres as O'Herlihy
Ted Cassidy as Gorn (voice) (uncredited)
Bobby Clark as Gorn
Gary Combs as Gorn (uncredited)
Sean Kenney as Lt. DePaul
Eddie Paskey as Lt. Leslie (uncredited)
Vic Perrin as Metron/Gorn (voice)
Carole Shelyne as The Metron
Tom Troupe as Lt. Harold
Grant Woods as Lt Cdr Kelowitz

PRODUCTION:

Teleplay by: Gene L. Coon
Story by: Fredric Brown
Directed by: Joseph Pevney