The Unknown Terror (1957)
49%
User score9 votes
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.
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Top billed cast
Full cast & crew →
John HowardDan Matthews
Mala PowersGina Matthews
May WynnConcha Ramsey
Gerald MiltonDr. Ramsey
Duane GreyLino
Richard GildenRaoul KoomGerald GildenRaoul Koom
Sir LancelotSir Lancelot
Patrick O'MooreDr. WilloughbyWilliam HamelMr. Trainor
Martín GarralagaLead VillagerCharles GreyJim Wheatley / ?The Monster ManKeywords
Missing personMad scientistAmazon rainforestUnderground cavernFungus peopleMan with limpPrimitive village
Movie DNA
Genre affinityHorrorTheme affinityMissing Person · Mad Scientist · Amazon RainforestPacingShortDirector preference320094Actor preference226516 · 451259 · 262229Country preferenceUs
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Frequently asked questions about The Unknown Terror
What is The Unknown Terror about?
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.
How long is The Unknown Terror?
The Unknown Terror has a runtime of 76 minutes.