Cast

Jack Warner

Inspector Peterson

Nadia Gray

Kara Niemann

John McCallum

Dr. Nils Ahlen

Anthony Dawson

Sven Nystrom

Mary Laura Wood

Helga Ahlen

Naima Wifstrand

Baroness Erland

Norman MacOwan

McTavis, ferry pilot

Christopher Lee

Det. Holt

Alfred Maurstad

Trerik

Martin Boddey

Chief of the Lost Valley

Crew

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Harry Waxman

Director of Photography (Camera)

Terence Young

Director (Directing)

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Nat A. Bronstein

Producer (Production)

Nino Rota

Original Music Composer (Sound)

Terence Young

Writer (Writing)

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George Blackler

Makeup Artist (Costume & Make-Up)

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Nat A. Bronstein

Original Story (Writing)

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Lito Carruthers

Editor (Editing)

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Paul Tabori

Original Story (Writing)

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J. Elder Wills

Art Direction (Art)