Dale Nelson / Arthur
Cynthia Lee Albright
Martin Ashley
Dr. Edwina Beighley
Mrs. Mellon
Capshaw
Psychologist
Dr. Walden (as Pauline Myers)
Intern
Technician Mike Newton (as Robert Wilke)
Frank Josephson
Matron
Harley Manning
A Young Mental Patient
Miss Lindsey
Paranoid Patient
Jury Foreman
Singer