Unrated | | Horror, Sci-Fi
A series of decapitations on a Swiss mountainside appear to be connected to a mysterious radioactive cloud.
Inspired the song "The Crawling Eye" on the Misfits album Famous Monsters.
*Was* there an accident, Mister Klein?
Mayor Klein: O-On a mountain, uh, dese things sometimes happen.
The jet bomber at the end of the film is an English Electric Canberra, except for one shot where it mysteriously becomes a late-model Gloster Meteor jet fighter.
The films opening credits flash onto the screen when the passenger train rolls into the darkness of a tunnel.