- HD 1080
- Runtime: 80m.
- Status: Released
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- Languages: en
- Country: Mexico, United States of America
- Director: Alfredo Zacarías
- Stars: Samantha Eggar, Stuart Whitman, Roy Jenson, Narciso Busquets, Erika Carlsson
- keywords: satanism, murder, devil, hand, severed hand, disembodied hand
- Production_studio: Zach Motion Pictures Inc., Panorama Films
- Slogan: Up from the depths of hell comes the ultimate horror!
- providers: Night Flight Plus
- The Demonoid: Messenger of Death is featured in the top rankings of 1981
- #78 in Top Horror Movies of 1981
A British woman visits her husband at the Mexican mine he is attempting to reopen and discovers that the workers refuse to enter the mine, fearing an ancient curse. The couple enter the mine to prove there is no danger and inadvertently release a demon which possesses people's left hands and forces them to behave in a suitably diabolical manner.