《X--未知的元素》是由著名导演Leslie Norman Joseph Losey 的一部精彩的科幻 影视作品，主演有Dean/Jagger/Edward/Chapman/Leo/McKern/Anthony/Newley/等，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