Heinrich Gotho
as Master of Ceremonies (uncredited)
Erwin Biswanger
as 11811
Rudolf Klein-Rogge
as C.A. Rotwang
Theodor Loos
as Josaphat
Alfred Abel
as Johhan (Joh) Fredersen
Brigitte Helm
as Maria/The Robot (AKA Futura)
Heinrich George
as Grot
Fritz Rasp
as Slim
Olaf Storm
as Jan (uncredited)
Gustav Fröhlich
as Freder Fredersen
Hanns Reich
as Marinus (uncredited)
Margarete Lanner
as Lady in car / Woman of Eternal Gardens (uncredited
Fritz Alberti
as Creative human - man who convinces Babel (uncredit
Hanns Leo Reich
as Marinus (uncredited)