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.
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
