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
Walter Koenig as Ensign Pavel Andreivich Chekov
Nichelle Nichols as Lieutenant Uhura
Majel Barrett as Nurse Christine Chapel

GUEST CAST:

Michael Barrere as Lt. Vincent DeSalle (as Michael Barrier)
Gail Bonney as Second Witch
Antoinette Bower as Sylvia
Rhodie Cogan as First Witch
Maryesther Denver as Third Witch
Jay D. Jones as Crewman Jackson (as Jimmy Jones)
Theodore Marcuse as Korob
Eddie Paskey as Lt. Leslie (uncredited)
John Winston as Lt. Kyle

PRODUCTION:

WRITER: Robert Bloch
DIRECTOR: Joseph Pevney