Cast & crew
Feind im Blut (1931)
Directed by Walter Ruttmann Written by Lazar Wechsler, Walter Ruttmann, Gerhard Bienert
Cast
| Wolfgang Klein | Black Student |
| Zoya Valevskaya | - |
| Gerhard Bienert | Mechaniker |
| Walburga Gmür | Lili |
| Max Bernhardt | - |
| Margarete Kupfer | Kurpfuscherin |
| Ilse Stobrawa | Frau Buerli |
| Gretelott Braxis | - |
| Paul Mette | - |
| Hellmut Kraus | Studenten |
| Hans Thum | - |
| Wilhelm Lüdeke | - |
| Ruth Albu | Frau Buerli |
| Walter Kraussbauer | - |
| H. Kraussbauer | - |
| Harry Berber | - |
| Hugo Schwabe | - |
| Trudi Schoop | Tänzerin auf Hochzeit |
Crew
| Georges C. Stilly | Assistant Director |
| Wolfgang Zeller | Music Director |
| Emil Berna | Cinematography |
| Harry Krankemann | Makeup Artist |
| Georges C. Stilly | Cinematography |
| Lazar Wechsler | Producer |
| Trudi Schoop | Choreographer |
| Walter Ruttmann | Director |
| Georges C. Stilly | Editor |
| Hans Bittmann | Sound |
| Wolfgang Zeller | Music |
| Walter Ruttmann | Editor |
| Lazar Wechsler | Writer |
| Walter Ruttmann | Writer |
| Gerhard Bienert | Writer |
| Charles Métain | Sound |