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X: The Unknown
“It rises from 2000 miles below the earth to melt everything in its path!”
61%
Movie
1h 21m
AI Analysis
X: The Unknown (1956) — AI movie analysis
WatchMind AI generated this AI analysis of X: The Unknown (1956) — a movie tagged as Horror, Science Fiction, and Mystery with dark and tense moods and fast-paced pacing.
Story & themes: Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafte… Our models also surface themes such as ai from synopsis and genre signals.
Watch context: Best suited for solo focused viewing. Expect fast-paced storytelling (~81 min).
Community signal: TMDb members rate X: The Unknown 61% (74 votes) — solid community ratings for this movie.
AI verdict
X: The Unknown suits viewers who want a dark and tense film — check the trailer and reviews before committing a full evening.
Preview on this device: 26% match — Matches your fast pacing. Sign in to save your profile across devices.
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
61%
from 74 TMDb votes
Taste match (this device)
26%match
Preview from browsing on this browser — not saved to an account yet.
Matches your fast pacing
Sign in to save your profile →- Your rating—
- Watch queueNot saved
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
Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.
Quick facts
- Type
- Movie
- Status
- Released
- Release date
- 1956-09-21
- Runtime
- 1h 21m
- TMDB rating
- 6.1
- TMDB ID
- 26865
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.
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Frequently asked questions
Where can I watch X: The Unknown (1956)?
X: The Unknown 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 X: The Unknown?
Yes, you can watch the official trailer for X: The Unknown directly on this page. We pull the latest video metadata from TMDb and play it via YouTube integration.
What is X: The Unknown about?
Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear ... This is the official synopsis available via TMDb community metadata.
Is there an AI analysis for X: The Unknown?
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 X: The Unknown?
The official runtime for X: The Unknown is approximately 81 minutes.
Cast & crew
Names and photos from The Movie Database (TMDb). Follow links on themoviedb.org for full filmographies.
Directors & writers
Cast

Dean Jagger
Dr. Adam Royston

Leo McKern
Inspector McGill

William Lucas
Peter Elliott

Edward Chapman
John Elliott

John Harvey
Maj. Cartwright

Michael Ripper
Sgt. Harry Grimsdyke

Anthony Newley
LCpl. 'Spider' Webb

Ian MacNaughton
Pvt. Haggis

Peter Hammond
Lt. Bannerman

Kenneth Cope
Pvt. Lansing
- M
Michael Brooke
Willie Harding

Frazer Hines
Ian Osborn

Neil Wilson
Russell
- S
Stella Kimball
Willie's Nurse

Jameson Clark
Jack Harding
- J
Jane Aird
Vi Harding

Neil Hallett
Harry, the amorous intern
- M
Marianne Brauns
Zena, the amorous nurse
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
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