The nightmare terror of the slithering eye that unleashed agonizing horror on a screaming world!
A United Nations investigator crosses paths with a pair of psychic sisters on his way to Trollenberg observatory in the Swiss Alps, which has been plagued by a series of mountaineer disappearances that may be related to a radioactive cloud at the mountain's south face.
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4.8/10Rating on TMDBFrom The Movie Database99 votes
Forrest TuckerAlan Brooks
Jennifer JayneSarah Pilgrim
Janet MunroAnne Pilgrim
Laurence PaynePhilip Truscott
Warren MitchellProf. Crevett
Frederick SchillerMayor Klein
Colin DouglasHans
Andrew FauldsBrett
Stuart SaundersDewhurstDerek SydneyWildeRichard GoldingFirst VillagerGeorge HerbertSecond VillagerJeremy LonghurstFirst Student ClimberAnthony ParkerSecond Student ClimberLeslie HeritageCarl
