Emil Jannings Robert Herne John Gottowt Algol: An Alien presumably from the planet orbiting the Algol star. He gives Robert Herne an advanced alien machine allowing him to produce unlimited energy reserves. The motivations of Algol for providing such a technological device to a less advanced cu Käthe Haack Magda Herne Hanna Ralph Maria Obal Ernst Hofmann Reginald Herne Gertrude Welcker Leonore Nissen Hans Adalbert Schlettow Peter Hell Erna Morena Yella Ward