Cast

Lee Van Cleef

Dr. Tom Anderson

Beverly Garland

Claire Anderson

Peter Graves

Dr. Paul Nelson

Sally Fraser

Joan Nelson

Russ Bender

General James Pattick

Jonathan Haze

Pvt. Miguel Ortiz

Dick Miller

Sgt. Neil

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Paul Harbor

Floyd Mason

Charles B. Griffith

Dr. Pete Shelton

Karen Kadler

Ellen Peters

Crew

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James H. Nicholson

Executive Producer (Production)

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Paul Blaisdell

Special Effects (Crew)

Roger Corman

Director (Directing)

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Ronald Stein

Original Music Composer (Sound)

Samuel Z. Arkoff

Executive Producer (Production)

Charles B. Griffith

Writer (Writing)

Roger Corman

Producer (Production)

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Lou Rusoff

Screenplay (Writing)

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Paul Blaisdell

Creature Design (Visual Effects)

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Frederick E. West

Director of Photography (Camera)