This Nazi propaganda film follows the exploits of a German submarine as it prowls the North Atlantic.
as Kapitänleutnant Hoffmeister
as Olt. zur See Wiegand
as Lt. zur See v. Benedict
as Olt. Griesbach
as Merk
as Matr. Fliepusch
as Irene Winterfeld
as Matrosenobergefreiter Drewitz
as Frau von Benedikt
as Vater Griesbach
as Frau Hahn
as Ober
