- HD 1080
- Runtime: 73m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Boris Petroff
- Stars: John Carradine, Myron Healey, Allison Hayes, Marilyn Buferd, Tor Johnson
- keywords: sanitarium, mad doctor, synthetic gland, human experiment
- Production_studio: AB-PT Pictures Corp.
- Slogan: An army of mutants on a mission from hell!
- The The Unearthly is featured in the top rankings of 1957
- #41 in Top Horror Movies of 1957
A mad doctor uses patients at his isolated psychiatric institute as subjects in his attempts to create longevity by surgically installing an artificial gland in their skulls.