طاقم التمثيل
George Harris
Naval Reservist/Swimmer and Diver (uncredited)
Nat Pendleton
'Butch' Wagner (uncredited)
Mona Maris
Fraulein Lolita
Walter C. Kelly
Chief Mike 'Guns' Costello
Maurice Murphy
Merkel (uncredited)
Harry Strang
Gunner and drill sergeant (uncredited)
John Loder
Franz Shiller
Walter McGrail
Chief Joe Cobb
جورج أوبريان
Cmdr. Robert 'Bob' Kingsley
Marion Lessing
Anna Marie Von Steuben
Ferdinand Schumann-Heink
Adolph Brucker (uncredited)
Warren Hymer
'Lug' Kaufman
Hans Fuerberg
Fritz Kampf (Second Officer of U-172) (uncredited)
Harry Tenbrook
Winkler (uncredited)
Steve Pendleton
Ens. Richard 'Dick' Cabot (as Gaylord Pendleton)
Henry Victor
Baron Ernst von Steuben (U-boat commander)
Joseph Depew
Naval Reservist (uncredited)
Francis Ford
Eric - Captain of Trawler (uncredited)
Edward Peil Jr.
Naval Reservist (uncredited)
Larry Kent
Lt. 'Mac' McGregor
William Collier Sr.
Mugs O'Flaherty (uncredited)
Jack Murphy
Naval Reservist (uncredited)