Herbert A. E. Böhme

as Prof. Gregorius Wahl

as Oberst Drood

as Kapitän Hansen

as Oberleutnant Gerdes

as Carl Ohlsen

as Duca Ambrogio Di Pallanza

as Count Gualtiero di Roccalta

as Agent Schultz

as Polizeimeister Lühr

as Lindgren

as Sternitzke

as Friedrich Semmler

as Otto Pahlke

as Fritz Kröger

as Michelbach

as George