The Giant Behemoth

Gene Evans

Steve Karnes

André Morell

Prof. James Bickford

Leigh Madison

Jean Trevethan

John Turner

John

Alastair Hunter

Dr. C. A. Morris, the village doctor

Lloyd Lamble

Senior Admiral, at the Admiralty

Jack MacGowran

Dr. Sampson, the paleontologist

Maurice Kaufmann

Mini Submarine Officer

Henri Vidon

Tom Trevethan

Patrick Jordan

Photo Lab Aide

Howard Lang

Naval Commader, at the "Valkyrie" wreck (uncredited)

Leonard Sachs

Dialogue Scientist at Conference (bit)

Ernest Blyth

Scientist at Conference (uncredited)

Neal Arden

TV Newscaster (uncredited)

Paul Beradi

Man Listening to Car Radio (uncredited)

Max Faulkner

PLA Radio Operator (uncredited)

Neil Hallett

Dr. Sampson's Helicopter Pilot (uncredited)

André Maranne

French Radio Officer (uncredited)

Derren Nesbitt

The Radar Operator, at the radar room (uncredited)

Guy Standeven

Naval Officer in Situation Room (uncredited)

Eugène Lourié

Director

Kim Mills

First Assistant Director

Jennifer Herrinshaw

Continuity

Douglas Hickox

Director

Robert Abel

Story

Eugène Lourié

Screenplay

Alan J. Adler

Story

Daniel James

Screenplay

Ted Lloyd

Producer

David Diamond

Producer

Jacques de Lane Lea

Production Manager

Ken Hodges

Director of Photography