as Prof. Gregorius Wahl
as Oberst Drood
as Count Gualtiero di Roccalta
as Sternitzke
as Duca Ambrogio Di Pallanza
as Otto Pahlke
as Fritz Kröger
as Oberleutnant Gerdes
as Friedrich Semmler
as Carl Ohlsen
as Agent Schultz
as Polizeimeister Lühr
as Lindgren
as Architekt Michelbach
as George
