A remote mountain resort in Switzerland is invaded by horrible alien creatures that like to decapitate humans. The beings are also in telepathic communication with people and inhabit a mysterious, radioactive cloud at the base of the Trollenberg mountain.

Starring:

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

Genre:

Horror, Sci-Fi