Dean Jagger,Edward Chapman,Leo McKern,Anthony Newley主演的【X--未知的元素】,是由 Leslie Norman,Joseph Losey导演的科幻片，上映于1956，详情请观看视频，British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a bottomless crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to absorb radiation from any source, growing bigger and bigger. What is it How do you destroy a thing that feeds on energy