Under False Flag (German: Unter falscher Flagge) is a 1932 German spy thriller film directed by Johannes Meyer and starring Charlotte Susa, Gustav Fröhlich and Friedrich Kayssler. It was shot at the Johannisthal Studios in Berlin from the end of November 1931 to the beginning of 1932. It was made by Deutsche Universal, the German branch of Universal Pictures, in co-production with Tobis Film. The film's sets were designed by the art director Otto Hunte. It premiered at Berlin's Ufa-Palast am Zoo. The film was based on the novel of the same title by Max W. Kimmich, who also worked on the screenplay.In 1934 Universal made an American remake Madame Spy in Hollywood with Fay Wray and Edward Arnold and directed by Karl Freund.