Harry Benson
Dr. Janet Ross
Dr. John Ellis (as Richard A. Dysart)
Dr. Arthur McPherson
Dr. Robert Morris
Dr. Ezra Manon
Angela Black
Det. Capt. Anders (as Normann Burton)
Ralph Friedman
Gerhard
Richards
Benson's Guard
Questioner No. 1
Night Nurse
Instructor
Edmonds
Farley
Police Doctor
Detective
Priest
Reporter (as Lee DeBroux)
Anesthetist
Orderly
Nurse (uncredited)
Patron (uncredited)
Orderly (uncredited)
Reporter (uncredited)
Boy (uncredited)
Stripper (uncredited)
Window Washer (uncredited)
Hospital Orderly (uncredited)