Night Key

Boris Karloff

David Mallory

Warren Hull

Jim Travers

Jean Rogers

Joan Mallory

Alan Baxter

John Baron aka The Kid

Hobart Cavanaugh

Petty Louie

Samuel S. Hinds

Steven Ranger

David Oliver

Mike Callahan

Ward Bond

Fingers

Frank Reicher

Carl - gang engineer

Edwin Maxwell

Lawyer Kruger

George Cleveland

Sam Adams - Company Engineer (uncredited)

Ruth Fallows

Waitress (uncredited)

George Humbert

Mr. Spinelli (uncredited)

Nina Campana

Mrs. Spinelli (uncredited)

Charles Cahill Wilson

Police Capt. Wallace (uncredited)

Chuck Hamilton

Policeman (uncredited)

Franz Waxman

Music

Charles Previn

Music

Jack Otterson

Art Direction

George Robinson

Director of Photography

Jack Pierce

Makeup Artist

Heinz Roemheld

Music

Clifford Vaughan

Music

Lloyd Corrigan

Director

Jack Moffitt

Screenplay

Robert Presnell Sr.

Producer

Arthur Morton

Music

Tristram Tupper

Screenplay

John P. Fulton

Special Effects, Visual Effects

Edward Ward

Music

Karl Hajos

Music

Otis Garrett

Editor

David Raskin

Music

William A. Pierce

Story

Gilbert Kurland

Sound Supervisor

Charles Maxwell

Music