Metropolis is a 1927 German expressionist epic science-fiction drama film directed by Fritz Lang. Lang and his wife, Thea von Harbou, wrote the silent film, which starred Brigitte Helm, Gustav Fröhlich, Alfred Abel and Rudolf Klein-Rogge. Erich Pommer produced it in the Babelsberg Studios for Universum Film A.G.. It is regarded as a pioneering work of the science-fiction genre in movies, being among the first feature-length movies of the genre.