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
Screenplay
Rosemary Foster
Art Direction
Richard Duce
Editor
Harry Komer
Music
Max Terr
Orchestrator
Albert Glasser
Director of Photography
Charles Salerno Jr.
Director
Sammy Lee
Producer
Herbert Moulton