Cast
- Wallace Beery as John Thorson
- Chester Morris as 'Rocky' Blake
- Virginia Grey as Susan Thorson
- Douglass Dumbrille as District Commander
- Carl Esmond as U-Boat Captain
- Clem Bevans as 'Cap' Finch
- John Qualen as Milo
- Regis Toomey as Ives
- Henry Victor as German U-Boat Officer
- Addison Richards as Adm. Ross
Crew
- George B. Seitz · Director
- Wells Root · Writer
- Harvey S. Haislip · Writer
- Ralph Wheelwright · Writer
- J. Walter Ruben · Producer
- David Snell · Composer
- Edward Ward · Composer
- John F. Seitz · Cinematographer
- Frank E. Hull · Editor