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

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)

Jean Yarbrough

Director

Ralph Slosser

Asistente de Dirección

Dwight V. Babcock

Guión, Historia

George Bricker

Guión

M. Coates Webster

Guión

Maury Gertsman

Director de Fotografía

Hans J. Salter

Compositor de la Música Original

Bernard B. Brown

Sound Director

Joe Lapis

Sound Engineer

Ben Pivar

Productor

Universal Pictures

Compañía de Produccion

Carmen Dirigo

Estilista

Jack Pierce

Maquilladora

Vera West

Diseño de Vestuario

Philip Cahn

Editor

John B. Goodman

Dirección Artística

Abraham Grossman

Dirección Artística

Russell A. Gausman

Decorados

Edward R. Robinson

Decorados

Raymond Kessler

Dialogue Coach