Cast

Boris Karloff

Prof. Morlant

Cedric Hardwicke

Broughton

Ernest Thesiger

Laing

Ralph Richardson

Nigel Hartley

Dorothy Hyson

Betty Harlon

Anthony Bushell

Ralph Morlant

Kathleen Harrison

Kaney

Harold Huth

Aga Ben Dragore

D.A. Clarke-Smith

Mahmoud

Jack Raine

Davis the Chauffeur (uncredited)

Crew

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T. Hayes Hunter

Director (Directing)

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Frank King

Theatre Play (Writing)

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Rupert Downing

Adaptation (Writing)

Roland Pertwee

Writer (Writing)

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John Hastings Turner

Writer (Writing)

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Leonard Hines

Theatre Play (Writing)

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Geoffrey Boothby

Unit Manager (Production)

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R. Lyons

Assistant Director (Directing)

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Alfred Junge

Art Direction (Art)

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Peter Birch

Sound Recordist (Sound)