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.
Forrest Tucker
Jennifer Jayne
Janet Munro
Laurence Payne
Warren Mitchell
Frederick Schiller
Colin Douglas
Andrew Faulds
Stuart Saunders
Derek Sydney
Richard Golding
George Herbert
Jeremy Longhurst
Anthony Parker
Leslie Heritage
Theodore Wilhelm
Anne Sharp
Caroline Glazer
Garard Green
Jack Taylor