Raoul Walsh Director Errol Flynn Steve Wagner Actor Julie Bishop Laura McBain Actor Helmut Dantine Hugo von Keller Actor John Ridgely Jim Austin Actor Gene Lockhart Ernst Actor Tom Tully Inspector Barnett Actor Bernard Nedell Tom Dagor Actor Monte Blue Jean Actor Alec Craig Angus McBain Actor Tom Fadden Hobby Actor Carl Harbaugh Radio Operator Actor Glen Cavender Workman Actor Fred Kelsey Train Conductor Actor Ben Erway Immigration Officer Actor Jack Chertok Producer Jack L. Warner Executive Producer Frank Gruber Screenwriter Alvah Bessie Screenwriter Adolph Deutsch Original Music Sidney Hickox Cinematographer Jack Killifer Film Editing Leo K. Kuter Art Director Casey Roberts Set Decoration Leah Rhodes Costume Design