X: The Unknown(1956)
It rises from 2000 miles below the earth to melt everything in its path!
X: The Unknown 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.
X: The Unknown (1956) is a horror, science fiction and mystery film directed by Leslie Norman, released on September 21, 1956 with a runtime of 1h 21m. It stars Dean Jagger, Leo McKern, William Lucas and Edward Chapman. Viewers rate it 6.1 out of 10 across 77 ratings.
- Director:
- Leslie Norman
- Writers:
- Jimmy Sangster, Jimmy Sangster
- Producers:
- Anthony Hinds
- Cinematographer:
- Gerald Gibbs
- Composer:
- James Bernard
- Production:
- Hammer Film Productions
- Status:
- Released
X: The Unknown (1956) Trailer
Watch the official trailer for X: The Unknown before you stream it.
X: The Unknown Videos & Clips
Official trailers, teasers, clips and featurettes for X: The Unknown.
4K Restoration | Official Trailer
Trailer
Original Theatrical Trailer
Trailer
The Scene That Made Audiences Afraid of the Ground Beneath Them
Clip
This Film Was Melting Faces Before Indiana Jones
Clip
The Moment Something Terrifying Awoke Beneath The Surface
Clip
Joe Dante on X - THE UNKNOWN
Featurette
X: The Unknown Cast & Crew
Main cast
Dean Jagger
as Dr. Adam Royston
Leo McKern
as Inspector McGill
William Lucas
as Peter Elliott
Edward Chapman
as John Elliott
John Harvey
as Maj. Cartwright
Michael Ripper
as Sgt. Harry Grimsdyke
Anthony Newley
as LCpl. 'Spider' Webb
Ian MacNaughton
as Pvt. Haggis
Peter Hammond
as Lt. Bannerman
Kenneth Cope
as Pvt. Lansing
- Michael Brooke
Michael Brooke
as Willie Harding
Frazer Hines
as Ian Osborn
Key crew
Directed by Leslie Norman, written by Jimmy Sangster and Jimmy Sangster, produced by Anthony Hinds.
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X: The Unknown Reviews & Ratings
Average viewer score of 6.1/10 from 77 ratings.
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X: The Unknown – Frequently Asked Questions
Where can I watch X: The Unknown online?
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X: The Unknown (1956) does not have a confirmed streaming, rental or digital purchase option listed for your region yet. Availability is refreshed regularly, so check back for updates.
Who stars in X: The Unknown?
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The main cast of X: The Unknown (1956) includes Dean Jagger, Leo McKern, William Lucas, Edward Chapman and John Harvey. The film was directed by Leslie Norman. You can see the full cast and crew list, with character names, further up this page.
When was X: The Unknown released?
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X: The Unknown was released on September 21, 1956 and runs for 1h 21m.
Is X: The Unknown worth watching?
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X: The Unknown (1956) holds an average rating of 6.1 out of 10 from 77 viewer votes, and is a good pick if you enjoy horror, science fiction and mystery films. Read the viewer reviews on this page to decide for yourself.
Is there a trailer for X: The Unknown?
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Yes. The official X: The Unknown trailer is embedded in the trailer section of this page and plays instantly, no download or sign-up required.