James Xavier
Ray Milland
Diane Fairfax
Diana Van der Vlis
Nurse (uncredited)
Barboura Morris
Casino Patron (uncredited)
Stuart Hall
Sam Brant
Harold J. Stone
Willard Benson
John Hoyt
Crane
Don Rickles
John Trask (uncredited)
Dick Miller
Heckler (uncredited)
Jonathan Haze
Mrs. Hart (uncredited)
Kathryn Hart
Preacher (uncredited)
John Dierkes
Mr. Bowhead (uncredited)
Morris Ankrum
Director
Roger Corman
Producer
Original Music Composer
Les Baxter
Executive Producer
Samuel Z. Arkoff
Screenplay
Robert Dillon
Ray Russell
Costume Design
Marjorie Corso
Art Direction
Daniel Haller
James H. Nicholson
Associate Producer
Bartlett A. Carré
Editor
Anthony Carras
Production Design
Makeup Artist
Ted Coodley
Hairstylist
Betty Pedretti
Director of Photography
Floyd Crosby
Story
Sound Editor
Al Bird
Music Coordinator
Al Simms
Music Editor
Eve Newman