Two opposing characters are hidden in the person of the inconspicuous London gentleman Dr. Warren and Janus. Lost film.
Conrad Veidt
Magnus Stifter
Margarete Schlegel
Willy Kaiser-Heyl
Bela Lugosi
Margarete Kupfer
Danny Guertler
Gustav Botz
Jaro Fürth
Hans Lanser-Rudolf
Marga Reuter
Lanja Rudolph