Secret Mission (German: In geheimer Mission) is a 1938 German crime thriller film directed by Jürgen von Alten and starring Gustav Fröhlich, Camilla Horn, Ruth Hellberg and Paul Wegener. It was shot at the Johannisthal Studios in Berlin and on location around Genoa. The film's sets were designed by the art directors Heinrich Beisenherz and Alfred Bütow.
Jan Jenssen, a sailor, is hired by the mysterious Branting to deliver a briefcase on his behalf to Genoa. There he encounters the alluring femme fatale Marion and soon finds himself involved a complex plot over the secret locations of beryllium deposits in South America, which are stolen. As the ruthless industrialist Morrow is attempting to create a worldwide monopoly on beryllium, he seems an obvious source of interest and Jan signs as a member of the crew of his yacht.