Daniel
Dr. Roland Maradick
Erich Krieger
Maj. Horst von Hoffstadt
Prof. Josef Marton
Colonel von Reichert
Jan Brandel (uncredited)
Hans Raedler
Peter
Manson
German Flyer
Dolokhov
Martin Richter
Co-Pilot (uncredited)
General Linz
Garou
Max
Nectenabus
Porter (uncredited)
Prosecuting Counsel
Vorodny
Marc Antony
Aide
Lt. Hugo von Metzler