Man-Made Monster

Dan McCormick

Dr. Paul Rigas

June Lawrence

Mark Adams

Dr. John Lawrence

District Attorney Ralph B. Stanley

Detective Sergeant Regan

Nurse

Doctor

Chinese Boy, Wong

Dr. Bruno

Detective

Medical Examiner

Alienist #2

Mrs. Frank Davis (uncredited)

Charlie, Prison Guard (uncredited)

Radio Announcer (uncredited)

Jury Foreman (uncredited)

Assistant District Attorney (uncredited)

Police Radio Announcer (uncredited)

Reporter (uncredited)

Mike - Dynamo Operator (uncredited)

Warden Harris (uncredited)

Judge (uncredited)