The crew of the American destroyer escort, the USS Haynes, detects a German U-Boat—resulting in a prolonged, deadly battle of wits.
Capt. Murrell
Kapitän von Stolberg
Lt. Ware
Heinie Schwaffer
Doctor
Von Holem (uncredited)
Lt. J.G. Crain
Quartermaster
German Soldier
Lt. Mackeson (uncredited)
BMSN Robbins (uncredited)
Chief Engineer
Ens. Merry (uncredited)
German Soldier (uncredited)
Officer (uncredited)
German Sailor
Lt. Bonelli (uncredited)
German Sailor
Soldier (uncredited)
American Sailor (uncredited)
Sailor (uncredited)
Fireman (uncredited)
