A German wartime biography of Rudolf Diesel, inventor of the Diesel engine. The movie links the importance of the engine to the war by starting the movie with newsreel clips of German Navy U-boats in action.
Rudolf Diesel
Martha Diesel, seine Frau
Direktor Buz
Martin
Lucien Vogel
Theodor Diesel
Frau von Lorrenz
Herr von Lorrenz
Prof. Linde
Krumper
