출연진
Wallace Beery
John Thorson
Chester Morris
'Rocky' Blake
Virginia Grey
Susan Thorson
Douglass Dumbrille
District Commander
Carl Esmond
U-Boat Captain
Clem Bevans
'Cap' Finch
John Qualen
Milo
Regis Toomey
Ives
Henry Victor
German U-Boat Officer
Addison Richards
Admiral Ross
Hans Joby
U-Boat Petty Officer
Henry Hunter
Ensign Dyer
Jonathan Hale
Admiral Girard
Leon Ames
Recruiting Officer (uncredited)
Arthur Belasco
Fisherman (uncredited)
Joseph E. Bernard
Fisherman (uncredited)
Wade Boteler
Recruiting Officer (uncredited)
Al Bridge
Fisherman (uncredited)
Rand Brooks
Listener (uncredited)
Don Castle
Radio Operator (uncredited)
Jack Chapin
Sailor (uncredited)