

The Unknown Terror
They dared enter the Cave of Death to explore the secrets of hell!
5.2(16)19571h 16m1
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.
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5.2/10
16 votes
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- Status
- Released
- Budget
- —
- Box office
- —
- Language
- English
- amazon rainforest
- mad scientist
- missing person
- underground cavern
- man with limp
- fungus people
- primitive village
Top billed cast










Behind the camera
Director
Writers
Music
Produced in
United States of America
Where to watch
Availability for France. Provided by JustWatch through the TMDB API.
Stream
Molotov TV
Gallery



Videos
Release dates
United StatesUS
- TheatricalDistributed by 20th Century Fox Film Corp.12 Aug 1957
Frequently asked questions
The Unknown Terror was released on 12 August 1957.
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