An American investigator for the U.N., a German scientist and a British reporter join forces to investigate a series of disappearances and mutilation-deaths confined to a Swiss Alp and involving a thick, mobile cloud, a telepathic girl, an animate dead … Forrest Tucker, Jennifer Jayne, Janet Munro, Laurence Payne, Warren Mitchell, Frederick Schiller, Colin Douglas Added on Amazon Prime 2020-09-20. Youtube Trailer