Rudolf Klein-Rogge
Dr. Mabuse
Aud Egede-Nissen
Cara Carozza
Gertrude Welcker
Countess Dusy Told
Bernhard Goetzke
Prosecutor von Wenk
Robert Forster-Larrinaga
Spoerri
Hans Adalbert Schlettow
Georg
Grete Berger
Fine, a servant
Julius Falkenstein
Karsten
Lydia Potechina
The Russian
Julius E. Herrmann
Emil Schramm
Anita Berber
Dancer in tailcoat (uncredited)
Paul Biensfeldt
Man who gets the gun (uncredited)
Heinrich Gotho
(uncredited)
Leonhard Haskel
(uncredited)
Erner Huebsch
(uncredited)
Gottfried Huppertz
(uncredited)
Hans Junkermann
(uncredited)
Edgar Pauly
Big Spectator (uncredited)
Karl Platen
Tolds' servant (uncredited)
Auguste Prasch-Grevenberg
(uncredited)
Adele Sandrock
(uncredited)
Willy Schmidt-Gentner
(uncredited)
Hans Sternberg
(uncredited)
Oscar Stribolt
Enthusiastic Volunteer at Magic Show (uncredited)