Narrator (voice)
John Nesbitt
Head Keeper (uncredited)
Dewey Robinson
Hector Chevigny (uncredited)
Gene Roth
Keeper Hosing Down Patient (uncredited)
Harry Wilson
Dr. Philippe Pinel (uncredited)
Wolfgang Zilzer
Story
Director
Sammy Lee
Screenplay
Rosemary Foster
Producer
Herbert Moulton
Music
Max Terr
Director of Photography
Charles Salerno Jr.
Editor
Harry Komer
Art Direction
Richard Duce
Orchestrator
Albert Glasser