The Brute Man

Hal Moffet AKA 'The Creeper'

Clifford Scott

Helen Paige

Police Captain M. J. Donelly

Police Lieutenant Gates

Police Lieutenant / voice of radio announcer (uncredited)

Police Commissioner Salisbury (uncredited)

Professor Cushman (uncredited)

Policeman at Helen's Apartment (uncredited)

Nurse (uncredited)

Pawnbroker (uncredited)

Police Dispatcher (uncredited)

Mr. Haskins - Grocer (uncredited)

Detective at Helen's Apartment (uncredited)