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)
Grete Berger
Working Woman (uncredited)
Olly Boeheim
Working Woman (uncredited)
Heinrich Gotho
Master of Ceremonies (uncredited)
Gottfried Huppertz
Man Playing Violin (uncredited)
Georg John
Working Man Who Causes Explosion of M-Machine (uncredited)
Margarete Lanner
Woman of Eternal Gardens / Lady in Car (uncredited)
Rose Lichtenstein
Working Woman (uncredited)
Hanns Leo Reich
Marinus (uncredited)
Arthur Reinhardt
Working Man (uncredited)
Curt Siodmak
Working Man (uncredited)
Henrietta Siodmak
Working Woman (uncredited)
Olaf Storm
Jan (uncredited)
Rolf von Goth
Son in Eternal Gardens (uncredited)
Helen von Münchofen
Woman of Eternal Gardens (uncredited)
Helene Weigel
Working Woman (uncredited)