الإعلان التشويقي
طاقم التمثيل
George Cleveland
Sam Adams - Company Engineer (uncredited)
Boris Karloff
David Mallory
Hobart Cavanaugh
Petty Louie
Samuel S. Hinds
Steven Ranger
David Oliver
Mike Callahan
George Humbert
Mr. Spinelli (uncredited)
Warren Hull
Jim Travers
Chuck Hamilton
Policeman (uncredited)
Frank Reicher
Carl - gang engineer
Edwin Maxwell
Lawyer Kruger
Charles Cahill Wilson
Police Capt. Wallace (uncredited)
Jean Rogers
Joan Mallory
Alan Baxter
John Baron aka The Kid
Ward Bond
Fingers