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The Unknown Terror
“They dared enter the Cave of Death to explore the secrets of hell!”
53%
Movie
1h 16m
AI Analysis
The Unknown Terror (1957) — AI movie analysis
WatchMind AI generated this AI analysis of The Unknown Terror (1957) — a movie tagged as Horror with dark moods and fast-paced pacing.
Story & themes: 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. Our models also surface themes such as identity, conflict, and relationships from synopsis and genre signals.
Watch context: Best suited for general audiences. Expect fast-paced storytelling (~76 min).
Community signal: TMDb members rate The Unknown Terror 53% (16 votes) — mixed but watchable scores for this movie.
AI verdict
The Unknown Terror suits viewers who want a dark film — check the trailer and reviews before committing a full evening.
Algorithmic AI analysis from genres, synopsis, pacing heuristics, and TMDb community scores — not a generative chatbot. How WatchMind works.
Insights
Audience & engagement
How WatchMind visitors interact with this title — views, saves, sentiment, and taste match when you're signed in, or a device preview while browsing. Aggregates are anonymous; last 30 days.
Early data — charts fill in as more people explore this title.
TMDb audience score
53%
from 16 TMDb votes
WatchMind sentiment
No thumbs or dismissals yet. Rate this title to help others see likeness trends.
- Dismissals
- 0
Engagement breakdown
0 unique visitors · no audience notes yet
Views trend (14 days)
Daily title page views on WatchMind
Synopsis
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.
Quick facts
- Type
- Movie
- Status
- Released
- Release date
- 1957-08-12
- Runtime
- 1h 16m
- TMDB rating
- 5.3
- TMDB ID
- 116216
Watch & discovery tips
- Read TMDb member reviews in the reviews section, and audience tips from other WatchMind visitors in Audience notes.
- Use Rent, buy & download for official stores; offline viewing is usually inside their apps.
- Browse trending and top-rated movies from the main Movies page.
- Add titles to your watch queue from this page — order matters; the top pick can surface on your home page when you're logged into the same browser session.
Frequently asked questions
Where can I watch The Unknown Terror (1957)?
The Unknown Terror is available for discovery on WatchMind. You can find official links to rent, buy, or stream from licensed digital stores like Apple TV and Amazon in our "Where to Watch" section.
Is there an official trailer for The Unknown Terror?
Yes, you can watch the official trailer for The Unknown Terror directly on this page. We pull the latest video metadata from TMDb and play it via YouTube integration.
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.
Is there an AI analysis for The Unknown Terror?
Yes. WatchMind publishes an AI analysis on this page — tone, pacing, audience fit, and community scores from TMDb metadata and recommendation models (not a chatbot). Scroll to the AI Analysis section or read the meta description summary.
How long is the movie The Unknown Terror?
The official runtime for The Unknown Terror is approximately 76 minutes.
Cast & crew
Names and photos from The Movie Database (TMDb). Follow links on themoviedb.org for full filmographies.
Directors & writers
Cast

John Howard
Dan Matthews

Mala Powers
Gina Matthews

Paul Richards
Peter Morgan

May Wynn
Concha Ramsey

Gerald Milton
Dr. Ramsey

Duane Grey
Lino

Richard Gilden
Raoul Koom

Martín Garralaga
Lead Villager

Patrick O'Moore
Dr. Willoughby
- W
William Hamel
Mr. Trainor
- C
Charles Grey
Jim Wheatley / ?The Monster Man
- C
Charles Postal
Higgs (butler)

Sir Lancelot
Sir Lancelot
- C
Charles Cirillo
Native (uncredited)
- J
Jim Whitecloud
Native (uncredited)
- F
Foster Hood
Native (uncredited)
Audience notes
Quick tips, watch-order ideas, and “worth it?” takes from other WatchMind visitors — not from TMDb. Reply to continue a thread, tap Helpful to surface useful notes, and keep things kind — no spoilers in the first line when you can help it.
Discussion0 notes
No notes yet — be the first to leave a suggestion for the next viewer.
Community reviews
Written by TMDb members — same catalogue as our movie & TV metadata. API terms
No written reviews are available for this title in TMDb yet. Check back later or open the title on themoviedb.org.
More to explore
Hand-picked from TMDb similar and recommended lists for The Unknown Terror. Each link opens a full WatchMind page with synopsis, trailer, community reviews, and official store links—so you can compare tone and audience overlap before you pick what to watch next.

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