The nightmare terror of the slithering eye that unleashed agonizing horror on a screaming world!
4.75
84 min
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.
| Name | Character | Team | |
|---|---|---|---|
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Forrest Tucker | Alan Brooks | Unowned |
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Jennifer Jayne | Sarah Pilgrim | Unowned |
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Janet Munro | Anne Pilgrim | Unowned |
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Laurence Payne | Philip Truscott | Unowned |
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Warren Mitchell | Prof. Crevett | Unowned |
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Frederick Schiller | Mayor Klein | Unowned |
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Colin Douglas | Hans | Unowned |
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Andrew Faulds | Brett | Unowned |
| Stuart Saunders | Dewhurst | Unowned | |
| Derek Sydney | Wilde | Unowned | |
| Richard Golding | First Villager | Unowned | |
| George Herbert | Second Villager | Unowned | |
| Jeremy Longhurst | First Student Climber | Unowned | |
| Anthony Parker | Second Student Climber | Unowned | |
| Leslie Heritage | Carl | Unowned | |
| Theodore Wilhelm | Fritz | Unowned | |
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Anne Sharp | The Mother | Unowned |
| Caroline Glazer | The Child | Unowned | |
| Garard Green | The Spotter Pilot | Unowned | |
| Jack Taylor | Voice of Beheaded Climber Jim | Unowned | |
| Anna Cameron | Evacuated Villager (uncredited) | Unowned | |
| Thomas Foulkes | Evacuating Villager (uncredited) | Unowned | |
| Otto Friese | Evacuated Villager (uncredited) | Unowned | |
| Jack Hetherington | Stationmaster (uncredited) | Unowned | |
| Philip Johns | Evacuated Villager (uncredited) | Unowned | |
| Reg Thomason | Mountain Rescue Stretcher Bearer (uncredited) | Unowned |