Cast

Michael York

Geoffrey Richter-Douglas

Elke Sommer

Erika Altschul

Peter Carsten

Major Tauntler

Marius Goring

Professor Christian Altschul

Anton Diffring

Colonel Hirsch

Andrew Keir

Von Gorian

Rupert Davies

Captain Whitney

Alexandra Stewart

Stephanie

William Marlowe

Anderson

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Alan Rothwell

Brandner

Crew

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Neville Smallwood

Makeup Supervisor (Costume & Make-Up)

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Gerry Johnston

Special Effects Supervisor (Visual Effects)

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Brenda Dabbs

Wardrobe Supervisor (Costume & Make-Up)

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Kip Gowans

Assistant Director (Directing)

J. Ronald Getty

Executive Producer (Production)

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Charles Hammerton

Construction Manager (Art)

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Claude Hudson

Production Manager (Production)

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Herbert G. Luft

Finance (Production)

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Cliff Culley

Additional Camera (Camera)

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Roy Budd

Original Music Composer (Sound)