Cast

John Agar

Prof. Clete Ferguson

Lori Nelson

Helen Dobson

John Bromfield

Joe Hayes

Nestor Paiva

Captain Lucas

Grandon Rhodes

Jackson Foster

Dave Willock

Lou Gibson

Robert B. Williams

George Johnson

Charles Cane

Police Captain

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Loretta Agar

Woman on Boat (uncredited)

Bill Baldwin

Patrol Boat Dispatcher (voice / uncredited)

Crew

Jack Arnold

Director (Directing)

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Martin Berkeley

Screenplay (Writing)

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William Alland

Story (Writing)

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Scotty Welbourne

Director of Photography (Camera)

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Jack Kevan

Creature Design (Visual Effects)

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William Alland

Producer (Production)

William Lava

Original Music Composer (Sound)

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Herman Stein

Original Music Composer (Sound)

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Paul Weatherwax

Editor (Editing)

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Alexander Golitzen

Art Direction (Art)