Nazi propaganda film showing the development of the German navy's submarine fleet.

---

Main Cast: Alexander Golling, Richard Häussler, Herbert Hübner, Willi Rose, Günther Lüders, Gustav Waldau, Wilhelm P. Krüger, Eva Immermann, Justus Paris, Theo Shall

Director: Herbert Selpin

Writers: Franz Weichenmayr, Curt J. Braun, Walter Zerlett-Olfenius, Herbert Selpin

Editor: Friedel Buckow

Cinematographer: Franz Koch

---

Popular Double Features