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:

Barbara Babcock as Trelane's Mother (voice) (uncredited)
Michael Barrere as Lt. Vincent DeSalle (as Michael Barrier)
William Campbell as Trelane
Richard Carlyle as Karl Jaeger
Eddie Paskey as Lt. Leslie (uncredited)
Venita Wolf as Yeoman Teresa Ross

PRODUCTION:

Written by: Paul Schneider
Directed by: Don McDougall