Cast
Roddy McDowall
Martin Ashley
Paulene Myers
Dr. Walden (as Pauline Myers)
Robert J. Wilke
Technician Mike Newton (as Robert Wilke)
Carol Lynley
Cynthia Lee Albright
Jonathan Gilmore
A Young Mental Patient
Don Marshall
Singer
Stuart Whitman
Dale Nelson / Arthur
Lauren Bacall
Dr. Edwina Beighley
Olive Deering
Mrs. Mellon
Ossie Davis
Capshaw
Donald Buka
Psychologist
Bert Freed
Frank Josephson
Templeton Fox
Miss Lindsey