Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.
Steve Karnes
Prof. James Bickford
Jean Trevethan
John
Dr. C. A. Morris, the village doctor
Senior Admiral, at the Admiralty
Dr. Sampson, the paleontologist
Mini Submarine Officer
Tom Trevethan
Photo Lab Aide
Naval Commader, at the "Valkyrie" wreck (uncredited)
Dialogue Scientist at Conference (bit)
Scientist at Conference (uncredited)
TV Newscaster (uncredited)
Man Listening to Car Radio (uncredited)
PLA Radio Operator (uncredited)
Dr. Sampson's Helicopter Pilot (uncredited)
French Radio Officer (uncredited)
The Radar Operator, at the radar room (uncredited)
Naval Officer in Situation Room (uncredited)
Director
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Story
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Screenplay
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Producer
Director of Photography
Editor
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Camera Operator
Special Effects
Special Effects
Sound Editor
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Special Effects
Special Effects
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First Assistant Director
Conductor
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Wardrobe Master
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