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)

Tris 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)

Bernard B. Brown

Sound Director

Raymond Kessler

Dialogue Coach

Jean Yarbrough

Director

Maury Gertsman

Director of Photography

Abraham Grossman

Art Direction

Ben Pivar

Producer

Carmen Dirigo

Hairstylist

Ralph Slosser

Assistant Director

M. Coates Webster

Writer

John B. Goodman

Art Direction

Joe Lapis

Sound Engineer

Vera West

Costume Design

Edward R. Robinson

Set Decoration

Dwight V. Babcock

Story

Philip Cahn

Editor

George Bricker

Writer

Russell A. Gausman

Set Decoration

Jack Pierce

Makeup Artist