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

Erwin Biswanger

No. 11811 - Georgy

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)

Margarete Lanner

Woman of Eternal Gardens / Lady in Car (uncredited)

Curt Siodmak

Working Man (uncredited)

Olaf Storm

Jan (uncredited)

Rolf von Goth

Son in Eternal Gardens (uncredited)