The Trollenberg Terror [Treasured Films Blu-ray]

Scientific investigator Alan Brooks (Forrest Tucker) is summoned to the remote Alpine village of Trollenberg, following the recent gruesome decapitation of a mountain-climber. En-route he encounters mind-reading sisters Anne and Sarah Pilgrim (Janet Munro and Jennifer Jayne) who follow him to the village.

When visiting old friend Professor Crevett (Warren Mitchell) at his observatory, Brooks discovers a sinister radioactive cloud below the summit. What is the horrifying alien secret that lurks within the poisonous fog? And why does Anne and her power pose such a threat to it?