X: The Unknown movie poster

X: The Unknown (1956)

It rises from 2000 miles below the earth to melt everything in its path!

6.1audience score
77 votes on TMDB
Released September 21, 1956Runtime 1h 21mDirector Leslie Norman

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.

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X: The Unknown trailer

Cast of X: The Unknown

Dean Jagger

Dean Jagger

Dr. Adam Royston
Leo McKern

Leo McKern

Inspector McGill
William Lucas

William Lucas

Peter Elliott
Edward Chapman

Edward Chapman

John Elliott
John Harvey

John Harvey

Maj. Cartwright
Michael Ripper

Michael Ripper

Sgt. Harry Grimsdyke
Anthony Newley

Anthony Newley

LCpl. 'Spider' Webb
Ian MacNaughton

Ian MacNaughton

Pvt. Haggis
Peter Hammond

Peter Hammond

Lt. Bannerman
Kenneth Cope

Kenneth Cope

Pvt. Lansing
Frazer Hines

Frazer Hines

Ian Osborn
Neil Wilson

Neil Wilson

Russell

About X: The Unknown

Where can I watch X: The Unknown?

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Who stars in X: The Unknown?

X: The Unknown stars Dean Jagger, Leo McKern, William Lucas, Edward Chapman, John Harvey.

Who directed X: The Unknown?

X: The Unknown was directed by Leslie Norman.

How long is X: The Unknown?

X: The Unknown has a runtime of 1h 21m.

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 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.