Fritz Lang Director, Writer Brigitte Helm Maria, The Robot (AKA Futura) Actor Alfred Abel Johhan (Joh) Fredersen Actor Gustav Fröhlich Freder Fredersen Actor Rudolf Klein-Rogge C.A. Rotwang Actor Fritz Rasp Slim Actor Theodor Loos Josaphat Actor Erwin Biswanger 11811 Actor Heinrich George Grot Actor Olaf Storm Jan (uncredited) Actor Hanns Leo Reich Marinus (uncredited) Actor Heinrich Gotho Master of Ceremonies (uncredited) Actor Margarete Lanner Lady in car , Woman of Eternal Gardens (uncredited) Actor Fritz Alberti Creative human - man who convinces Babel (uncredited) Actor Thea von Harbou Writer, Writer Erich Pommer Producer Tawd Beckman Co-Executive Producer Gottfried Huppertz Original Music Karl Freund Cinematographer Günther Rittau Cinematographer Otto Hunte Art Director Erich Kettelhut Art Director Karl Vollbrecht Art Director Aenne Willkomm Costume Design Ernst Kunstmann Special Effects Edgar G. Ulmer Set Designer Otto Genath Makeup