O Doutor Mabuse

Rudolf Klein-Rogge

Dr. Mabuse

Aud Egede-Nissen

Cara Carozza

Gertrude Welcker

Countess Dusy Told

Alfred Abel

Count Told

Bernhard Goetzke

Prosecutor von Wenk

Paul Richter

Edgar Hull

Robert Forster-Larrinaga

Spoerri

Hans Adalbert Schlettow

Georg

Georg John

Pesch

Károly Huszár

Hawasch

Grete Berger

Fine, a servant

Julius Falkenstein

Karsten

Lydia Potechina

The Russian

Julius E. Herrmann

Emil Schramm

Julietta Brandt

Max Adalbert

(uncredited)

Anita Berber

Dancer in tailcoat (uncredited)

Paul Biensfeldt

Man who gets the gun (uncredited)

Gustav Botz

(uncredited)

Lil Dagover

(uncredited)