The Green Monocle (German: Das grüne Monokel) is a 1929 German silent crime film directed by Rudolf Meinert and starring Ralph Clancy, Betty Bird and Suzy Vernon. The film was based on a novel by Guido Kreutzer. It features the fictional detective Stuart Webbs, one of several German fictional characters inspired by Sherlock Holmes, who had appeared in a series of silent films during the 1910s and 1920s.It was shot at the Tempelhof Studios in Berlin with location shooting in Berlin, Hamburg, Frankfurt am Main as well as Basel and Montreux in Switzerland. The film's sets were designed by the art directors Robert Neppach and Erwin Scharf