Die Pflicht zu schweigen (1928) — Cast
Cast
| Marcella Albani | Harp |
| Angelo Ferrari | Harp |
| Charlotte Susa | Eva |
| Jack Trevor | Robert 'Rob' Nelson |
| Gustav Fröhlich | Gerhard |
| Kurt Gerron | Daniloff |
| Sophie Pagay | Wirtschafterin |
| Julia Serda | Frau Buerli |
| Bruno Kastner | Dr Chaleck |
| Ellen Plessow | Edeltraud Storch |
Crew
| Carl Wilhelm | Director |