X: The Unknown
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X the Unknown is a well-crafted imitation of the Quatermass British sci-fi pictures of the 1950s. A group of soldiers on maneuvers in Scotland stumble across a gravel pit which emanates an unusual amount of radiation. Several deaths occur before the radioactive material is mysteriously stolen. Researcher Dr. Adam Royston (Dean Jagger) speculates that the thief is some sort of inhuman monstrosity dwelling at the Earth's core. He points out that past radioactive disturbances have been occurring at 50-year intervals, each followed by sudden deaths and the disappearance of the material.… More

Critic Reviews from Rotten Tomatoes

"Despite its absurd storyline, it's a surprisingly entertaining film that won't deaden your brain cells even if it's a trashy B film sci-fier."
‑ Dennis Schwartz, Ozus' World Movie Reviews
"Fairly dreary sci-fi of the oozing monster stripe with a strong lead."
‑ Ken Hanke, Mountain Xpress (Asheville, NC)
More reviews for X: The Unknown on Rotten Tomatoes