Cast

Ralph Richardson

Sam Gridley

James Mason

Robert Patch

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Ralph Roberts

Slivers

Allan Jeayes

Lord Cottingley

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Meriel Forbes

Ursula Manning

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Eileen Erskine

Hilda Jackson

John Laurie

Gaster

Eric Maturin

Captain Mellock

Ivor Barnard

Fletherington

Charles Victor

Sergeant Wilks

Crew

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J. B. Priestley

Writer (Writing)

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Eric Crozier

Producer (Production)