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 man, and tentacled, cyclopean beings from another planet.

• Tempean Films
• Forrest Tucker
• Jennifer Jayne
• Janet Munro
• Laurence Payne
• Warren Mitchell
• Frederick Schiller
• Colin Douglas
• Andrew Faulds