 Gustav FröhlichFreder Fredersen | Freder Fredersen |
 Brigitte HelmMaria / The Machine Man | Maria / The Machine Man |
 Alfred AbelJohann 'Joh' Fredersen | Johann 'Joh' Fredersen |
 Rudolf Klein-RoggeC.A. Rotwang | C.A. Rotwang |
 Theodor LoosJosaphat | Josaphat |
 Fritz RaspThe Thin Man | The Thin Man |
| EErwin BiswangerNo. 11811 - Georgy | No. 11811 - Georgy |
 Heinrich GeorgeGrot | Grot |
 Fritz AlbertiCreative Human - Man Who Convinces Babel (uncredited) | Creative Human - Man Who Convinces Babel (uncredited) |
| GGrete BergerWorking Woman (uncredited) | Working Woman (uncredited) |
| OOlly BoeheimWorking Woman (uncredited) | Working Woman (uncredited) |
| HHeinrich GothoMaster of Ceremonies (uncredited) | Master of Ceremonies (uncredited) |
| GGottfried HuppertzMan Playing Violin (uncredited) | Man Playing Violin (uncredited) |
 Georg JohnWorking Man Who Causes Explosion of M-Machine (uncredited) | Working Man Who Causes Explosion of M-Machine (uncredited) |
 Margarete LannerWoman of Eternal Gardens / Lady in Car (uncredited) | Woman of Eternal Gardens / Lady in Car (uncredited) |
| RRose LichtensteinWorking Woman (uncredited) | Working Woman (uncredited) |
| HHanns Leo ReichMarinus (uncredited) | Marinus (uncredited) |
| AArthur ReinhardtWorking Man (uncredited) | Working Man (uncredited) |
 Curt SiodmakWorking Man (uncredited) | Working Man (uncredited) |
| HHenrietta SiodmakWorking Woman (uncredited) | Working Woman (uncredited) |
 Olaf StormJan (uncredited) | Jan (uncredited) |
 Rolf von GothSon in Eternal Gardens (uncredited) | Son in Eternal Gardens (uncredited) |
| HHelen von MünchofenWoman of Eternal Gardens (uncredited) | Woman of Eternal Gardens (uncredited) |
| HHelene WeigelWorking Woman (uncredited) | Working Woman (uncredited) |
 Anita BerberMaria Double | Maria Double |
