"Nazi propaganda film showing the development of the German navy's submarine fleet."
Alexander Golling
as Wilhelm Bauer
Richard Häussler
as Großfürst Konstantin
Herbert Hübner
as Admiral Brommy
Willi Rose
as Paul Schultze
Günther Lüders
as Schiffsbauer Karl Hösly
Gustav Waldau
as König Maximilian
Wilhelm P. Krüger
as Vater Hösly
Eva Immermann
as Sophie Hösly
Justus Paris
as Vorsitzender des Gerichts
Theo Shall
as Mr. Wood
Walter Holten
as General
Andrews Engelmann
as Russischer Intrigant Trotzky
Karl Meixner
as Senator
Viktor Afritsch
as von Klamm
Albert Arid
as Offizier der russischen Hafenwache
Paul Wagner
as Begleiter des König Maximilian
Herbert Selpin
Director
Franz Weichenmayr
Writer
Curt J. Braun
Walter Zerlett-Olfenius
Franz Doelle
Music
Hans Arthur Thies
Novel
Friedel Buckow
Editor
Carl W. Tetting
Executive Producer
Franz Koch
Director of Photography
