The Unknown Terror (1957) Subtitles
- Genre(s) : Horror , Sci-Fi
- Country: United States
- Release year: 1957
- Duration: 1h 17m
- Director(s): Charles Marquis Warren
- Actors(s): John Howard, Mala Powers, Paul Richards
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Synopsis:
A millionaire leads an expedition into a remote jungle to find his wife's long-lost brother, but instead the group finds a mad scientist who has created a fungus monster that feeds on the local inhabitants.