Nazi propaganda film showing the development of the German navy's submarine fleet.
Directing | Herbert Selpin | Director |
Writing | Curt J. Braun | Writer |
Writing | Herbert Selpin | Writer |
Writing | Hans Arthur Thies | Novel |
Writing | Franz Weichenmayr | Writer |
Writing | Walter Zerlett-Olfenius | Writer |
Production | Carl W. Tetting | Executive Producer |
Sound | Franz Doelle | Music |
Editing | Friedel Buckow | Editor |
Camera | Franz Koch | Director of Photography |