"A private investigator endures the rigors of an insane asylum in order to locate $1 million in stolen loot."
Stuart Whitman
as Dale Nelson / Arthur
Carol Lynley
as Cynthia Lee Albright
Roddy McDowall
as Martin Ashley
Lauren Bacall
as Dr. Edwina Beighley
Olive Deering
as Mrs. Mellon
Ossie Davis
as Capshaw
Donald Buka
as Psychologist
Paulene Myers
as Dr. Walden (as Pauline Myers)
Evadne Baker
as Intern
Robert J. Wilke
as Technician Mike Newton (as Robert Wilke)
Bert Freed
as Frank Josephson
Judith De Hart
as Matron
Judson Laire
as Harley Manning
Jonathan Gilmore
as A Young Mental Patient
Templeton Fox
as Miss Lindsey
William Douglas
as Paranoid Patient
Merritt Bohn
as Jury Foreman
Don Marshall
as Singer
Denis Sanders
Director
Ben Nye
Makeup Artist
Teresa Brachetto
Script Supervisor
Jerry Goldsmith
Music
Moss Mabry
Costume Design
Winfred Van Atta
Novel
Mary Westmoreland
Hairstylist
Ollie Hughes
Wardrobe Master
Jack Martin Smith
Art Direction
Lou Pazelli
Key Grip
Emil Kosa Jr.
Special Effects
Sydney Boehm
Screenplay
Aaron Rosenberg
Producer
Frank Powolny
Still Photographer
Walter M. Scott
Set Decoration
Robert O'Brien
Sound
Harold Goodwin
Dialogue Coach
Louis R. Loeffler
Editor
Wesley Trist
Hilyard M. Brown
Margaret Donovan
Kenneth Lang
Gaffer
Sam Leavitt
Cinematography
Joseph E. Rickards
Assistant Director
Harry Maret
Ad Schaumer
Ed Jones
Props
Paul S. Fox
Elmer Raguse
L.B. Abbott
