

X: The Unknown (1956)
It rises from 2000 miles below the earth to melt everything in its path!
Plot Summary
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.
Full Cast & Characters

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

Michael Brooke
Willie Harding

Frazer Hines
Ian Osborn
Director & Crew
Leslie Norman
Director
Official Trailer

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Frequently Asked Questions
Where can I watch X: The Unknown online?
X: The Unknown (1956) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of X: The Unknown?
It has an IMDb rating of 6.1/10 based on 74 votes.
Who directed X: The Unknown?
X: The Unknown was directed by Leslie Norman and released in 1956.
How long is X: The Unknown?
X: The Unknown has a runtime of 1 hours and 21 minutes.
Movie Details
- Release Date
- 1956-09-21
- Status
- Released





