Cast

Kenneth Tobey

Cmdr. Pete Mathews

Faith Domergue

Prof. Lesley Joyce

Donald Curtis

Dr. John Carver

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Chuck Griffiths

Lt. Griff, USN

Ian Keith

Adm. Burns

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Dean Maddox Jr.

Adm. Norman

Harry Lauter

Deputy Bill Nash

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Richard W. Peterson

Capt. Stacy

Crew

George Worthing Yates

Screenplay (Writing)

Charles H. Schneer

Producer (Production)

Sam Katzman

Executive Producer (Production)

Ray Harryhausen

Visual Effects (Visual Effects)

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Jack Erickson

Special Effects (Crew)

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Harold Jacob Smith

Screenplay (Writing)

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Henry Freulich

Director of Photography (Camera)

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Jerome Thoms

Editor (Editing)

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Paul Palmentola

Art Direction (Art)

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Sidney Clifford

Set Decoration (Art)