Rondo Hatton
Hal Moffet AKA 'The Creeper'
Acting
Tom Neal
Clifford Scott
Acting
Jan Wiley
Virginia Rogers Scott
Acting
Jane Adams
Helen Paige
Acting
Donald MacBride
Police Captain M. J. Donelly
Acting
Peter Whitney
Police Lieutenant Gates
Acting
Fred Coby
Young Hal Moffet
Acting
Janelle Johnson Dolenz
Joan Bemis (as JaNelle Johnson)
Acting
Mary Ann Bricker
Mary Ann Obringer (uncredited)
Acting
Tris Coffin
Police Lieutenant / voice of radio announcer (uncredited)
Acting
Joseph Crehan
Police Commissioner Salisbury (uncredited)
Acting
John Hamilton
Professor Cushman (uncredited)
Acting
Frank O'Connor
Policeman at Helen's Apartment (uncredited)
Acting
Beatrice Roberts
Nurse (uncredited)
Acting
Charles Wagenheim
Pawnbroker (uncredited)
Acting
William Ruhl
Policeman at Helen's Apartment (uncredited)
Acting
James Nolan
Police Dispatcher (uncredited)
Acting
Oscar O'Shea
Mr. Haskins - Grocer (uncredited)
Acting
Patrick McVey
Detective at Helen's Apartment (uncredited)
Acting
Warren Jackson
Jeweler (uncredited)
Acting