as Geneva Man
as Professor Kent
as German Businessman (uncredited)
as Mr. Sandor
as Dr. Brenner
as Dr. Franken
as Dr. Klauber
as Stage Director
as Jan Dorchik
as Mr. Hauen
as Zar
as Dr. Adolph Behrens
as Hotel Barkeeper (uncredited)
as Redner in der Irrenanstalt
as Klaus
as Herr Barthel
as Otto Kuhn
as Regisseur
as Dr. Zinker
