The Unknown Terror
They dared enter the Cave of Death to explore the secrets of hell!
A woman leads an expedition into a remote jungle to find her long-lost brother, but instead finds a mad scientist who has created a fungus monster that feeds on the local inhabitants.
- Year : 1957
- Country : United States of America
- Genre : Horror
- Studio : Emirau Productions, Regal Films
- Keyword : amazon rainforest, mad scientist, missing person, underground cavern, man with limp, fungus people, primitive village
- Director : Charles Marquis Warren
- Cast : John Howard, Mala Powers, Paul Richards, May Wynn, Gerald Milton, Duane Grey