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. Written by
Jeremy Lunt <email@example.com>
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Did You Know?
It had been a TV serial before becoming a film, Laurence Payne
and Stuart Saunders
reprise their roles from the serial. In the original production, the creatures were called "Ixodes." See more
In the lab Prof. Crevett states the walls are steel reinforced. Yet when the monster breaks through the office wall where Anne Pilgrim is, there is obviously no reinforcement in the wall or in the piece of fallen wall shown. See more
*Was* there an accident, Mister Klein?
O-On a mountain, uh, dese things sometimes happen.
The films opening credits flash onto the screen when the passenger train rolls into the darkness of a tunnel. See more