Rudolf Klein-Rogge
as Dr. Mabuse
Alfred Abel
as Graf Told / Richard Fleury
Aud Egede Nissen
as Cara Carozza, die Tänzerin
Gertrude Welcker
as Gräfin Dusy Told
Bernhard Goetzke
as Staatsanwalt von Welk / Chief Inspector Norbert vo
Robert Forster-Larrinaga
as Spoerri
Paul Richter
as Edgar Hull
Georg John
as Pesch
Grete Berger
as Fine, a servant
Julius Falkenstein
as Karsten
Lydia Potechina
as Die Russin
Anita Berber
as Taenzerin im Frack
Paul Biensfeldt
as Mann, der die Pistole bekommt
Karl Platen
as Diener Tolds
Charles Puffy
as Hawasch
Edgar Pauly
as Big Spectator
Julius E. Hermann
as Emil Schramm
Hans Schlettow
as Georg, the Chauffeur