The Brute Man

Rondo Hatton Hal Moffet AKA 'The Creeper'

Tom Neal Clifford Scott

Jan Wiley Virginia Rogers Scott

Jane Adams Helen Paige

Donald MacBride Police Captain M. J. Donelly

Peter Whitney Police Lieutenant Gates

Fred Coby Young Hal Moffet

Janelle Johnson Dolenz Joan Bemis (as JaNelle Johnson)

Mary Ann Bricker Mary Ann Obringer (uncredited)

Tristram Coffin Police Lieutenant / voice of radio announcer (uncredited)

Joseph Crehan Police Commissioner Salisbury (uncredited)

John Hamilton Professor Cushman (uncredited)

Frank O'Connor Policeman at Helen's Apartment (uncredited)

Beatrice Roberts Nurse (uncredited)

Charles Wagenheim Pawnbroker (uncredited)

William Ruhl Policeman at Helen's Apartment (uncredited)

James Nolan Police Dispatcher (uncredited)

Oscar O'Shea Mr. Haskins - Grocer (uncredited)

Patrick McVey Detective at Helen's Apartment (uncredited)

Warren Jackson Jeweler (uncredited)