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