X the Unknown

Oscar-winner Dean Jagger stars as a Quatermass-adjacent irascible scientist in this grittily thrilling science-horror from legendary Hammer writer Jimmy Sangster. Featuring spirited support from Leo McKern, William Lucas and Anthony Newley, X the Unknown has been painstakingly restored by Hammer in 4K from the original film negatives. When an unlucky squaddie dies in agony from radiation poisoning, the Atomic Energy Commission despatch Dr Royston to investigate. Royston finds no trace of the deadly radiation, but it soon begins to claim new victims.

Special Features

Booklet, Commentary: Toby Hadoke (actor/comedian) and Andy Murray (Nigel Kneale biographer); David Kalat (film historian); Dr. Steve Haberman (writer/producer) and Constantine Nasr (film-maker/film historian); Jimmy Sangster and Marcus Hearn (Hammer expert); 'A Man On the Beach': Neil Sinyard (film expert), Documentaries: 'Displaced and Damned'; 'Sidebar: X 'the Unknown'', Image Gallery, Interviews: Jimmy Sangster (writer), Making of Documentary, Double-sided poster of original one-sheets; Eight art cards; Three versions of the film: UK Theatrical Version; As-Filmed Version; US Theatrical Version; Short film directed by Joe Losey: 'A Man On the Beach'; An exploration of the work of special effects artist Les Bowie; Super 8 cut-down version, Trailers

Audio Languages: English

Number of Discs: 4

Subtitle Languages: English, French, German, Italian, Spanish

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• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

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