The Duty to Remain Silent

The Duty to Remain Silent (German: Die Pflicht zu schweigen) is a 1928 German silent drama film directed by Carl Wilhelm and starring Marcella Albani, Vivian Gibson, Angelo Ferrari. It was based on a novel by Friedrich Werner van Oestéren. The film's art direction was by Max Heilbronner. It premiered on 8 February 1928.

Cast

 * Marcella Albani as Maria Harp
 * Vivian Gibson as Edith, ihre Schwester
 * Angelo Ferrari as Robert Harp
 * Charlotte Susa as Eva Devin, seine Geliebte
 * Julia Serda as Frau Jorin
 * Camilla von Hollay as Emmy, ihre Tochter
 * Jack Trevor as Robert, ihr Sohn
 * Gustav Fröhlich as Gerhard, ihr Sohn
 * Kurt Gerron as Iwan Daniloff
 * Mary Kid as Hilde Ronk
 * Bruno Kastner as Dr. Garonder
 * Ellen Plessow as Frau von Storch
 * Paul Samson-Körner as Jack
 * Sophie Pagay as Die Wirtschafterin
 * Heinrich Gotho as Der Diener