Jean Yarbrough Director Tom Neal Clifford Scott Actor Rondo Hatton Hal Moffat, "The Creeper" Actor Jane Adams Helen Paige Actor Jan Wiley Virginia Rogers Scott Actor Donald MacBride Police Captain M. J. Donelly Actor Peter Whitney Police Lieutenant Gates Actor Fred Coby Young Hal Moffat Actor Ja Nelle Johnson Joan Bemis Actor George Bricker Screenwriter M. Coates Webster Screenwriter Ben Pivar Producer Maury Gertsman Cinematographer Philip Cahn Film Editing John B. Goodman Art Director Abraham Grossman Art Director Russell A. Gausman Set Decoration Edward R. Robinson Set Decoration