The Trollenberg Terror (released in the U.S. as The Crawling Eye) is a 1958 British science fiction drama film, produced by Robert S. Baker and Monty Berman and directed by Quentin Lawrence. The film stars Forrest Tucker, Laurence Payne, Jennifer Jayne, and Janet Munro. The special effects are by Les Bowie. The story is based on a 1956 British ITV "Saturday Serial" television programme written by George F. Kerr, Jack Cross and Giles Cooper under the collective pseudonym of "Peter Key". The film was distributed in the UK by Eros Films Ltd. in October 1958 as The Trollenberg Terror. The film was released in the U.S. by Distributors Corporation of America as The Crawling Eye on 7 July 1958. It played on a double bill with the British science fiction film The Strange World of Planet X, renamed Cosmic Monsters for American audiences.

Plot

On the Swiss mountain Trollenberg, one of three student climbers is suddenly killed, his head ripped from his body. Two sisters, Anne and Sarah Pilgrim, a London mind-reading act, are travelling by train to Geneva when Anne faints as the train passes the mountain. Upon waking, Anne insists that they must get off at the next stop.