An empty mind... and a new beginning! — Four Sided Triangle

Four Sided Triangle is a 1953 British second feature ('B') science-fiction film directed by Terence Fisher. It was written by Paul Tabori and Fisher, adapted from the 1949 novel by William F. Temple. It stars Stephen Murray, Barbara Payton, John Van Eyssen and James Hayter. It was produced by Hammer Film Productions at Bray Studios from August to September, 1952, and foreshadowed Hammer's later en