星河映像影院独家片单收录！Leslie Norman,Joseph Losey突破之作《X--未知的元素》作为1956年度科幻片黑马，Dean Jagger、Edward Chapman、Leo McKern、Anthony Newley、 在英国取景地贡献完美地表演。 　　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?