Spies at Work
Spies at Work is a 1933 German thriller film directed by Gerhard Lamprecht and starring Karl Ludwig Diehl, Brigitte Helm, and Eduard von Winterstein. A spy film, it is set during the First [World War] conflict between Austria and Italy.
The film's sets were designed by the art director Karl Weber and Erich [Zander (art director)|Erich Zander]. The film was shot at the Babelsberg Studios in Berlin. A British version On [Secret Service] was also made.