"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
Sydney Boehm
Screenplay
Winfred Van Atta
Novel
Aaron Rosenberg
Producer
Jerry Goldsmith
Music
Sam Leavitt
Cinematography
Louis R. Loeffler
Editor
Hilyard M. Brown
Art Direction
Jack Martin Smith
Paul S. Fox
Set Decoration
Walter M. Scott
Moss Mabry
Costume Design
Margaret Donovan
Hairstylist
Ben Nye
Makeup Artist
Harry Maret
Mary Westmoreland
Joseph E. Rickards
Assistant Director
Ad Schaumer
Ed Jones
Props
Robert O'Brien
Sound
Elmer Raguse
L.B. Abbott
Special Effects
Emil Kosa Jr.
Kenneth Lang
Gaffer
Lou Pazelli
Key Grip
Frank Powolny
Still Photographer
Ollie Hughes
Wardrobe Master
Wesley Trist
Teresa Brachetto
Script Supervisor
Harold Goodwin
Dialogue Coach
