Gustav Fröhlich

Freder Fredersen

Brigitte Helm

Maria / The Machine Man

Alfred Abel

Johann 'Joh' Fredersen

Rudolf Klein-Rogge

C.A. Rotwang

Theodor Loos

Josaphat

Fritz Rasp

The Thin Man

Heinrich George

Grot

Fritz Alberti

Creative Human - Man Who Convinces Babel (uncredited)

Heinrich Gotho

Master of Ceremonies (uncredited)

Georg John

Working Man Who Causes Explosion of M-Machine (uncredited)