Hal Moffet AKA 'The Creeper'
Clifford Scott
Virginia Rogers Scott
Helen Paige
Police Captain M. J. Donelly
Police Lieutenant Gates
Young Hal Moffet
Joan Bemis (as JaNelle Johnson)
Mary Ann Obringer (uncredited)
Police Lieutenant / voice of radio announcer (uncredited)
Police Commissioner Salisbury (uncredited)
Professor Cushman (uncredited)
Policeman at Helen's Apartment (uncredited)
Nurse (uncredited)
Pawnbroker (uncredited)
Policeman at Helen's Apartment (uncredited)
Police Dispatcher (uncredited)
Mr. Haskins - Grocer (uncredited)
Detective at Helen's Apartment (uncredited)
Jeweler (uncredited)