X: The Unknown
movie

It rises from 2000 miles below the earth to melt everything in its path!
Released September 21, 1956
Genres:
Overview
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.
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
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Michael Brooke
as
Willie Harding

Frazer Hines
as
Ian Osborn
Crew
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Leslie Norman
as
Director

Jimmy Sangster
as
Screenplay

Jimmy Sangster
as
Story
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Anthony Hinds
as
Producer

Michael Carreras
as
Executive Producer
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James Bernard
as
Original Music Composer
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Gerald Gibbs
as
Director of Photography
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James Needs
as
Editor
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Philip Leakey
as
Makeup Effects

Jimmy Sangster
as
Production Manager
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John Hollingsworth
as
Music Director
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Jack Curtis
as
Special Effects