Cast

Lloyd Bridges

Dr. Doug Standish

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Brian Kelly

Dr. Craig Mosby

Shirley Eaton

Dr. Margaret E. 'Maggie' Hanford

David McCallum

Dr. Philip Volker

Keenan Wynn

Hank Stahl

Marshall Thompson

Dr. Orin Hillyard

Gary Merrill

Dr. August 'Gus' Boren

Ron Hayes

Brinkman

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George Shibata

Prof. Uji Hamaru

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Donald Linton

Vice President

Crew

Andrew Marton

Director (Directing)

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Arthur Weiss

Writer (Writing)

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Jim Danforth

Visual Effects (Visual Effects)

Andrew Marton

Producer (Production)

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Max Pittman

Set Decoration (Art)

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Ivan Tors

Producer (Production)

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Preston Rountree

Art Direction (Art)

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Harry Sukman

Original Music Composer (Sound)

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Clifford H. Poland Jr.

Director of Photography (Camera)

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Warren Adams

Editor (Editing)