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.
Directed by
Eugène Lourié, Douglas Hickox
André Morell
Prof. James Bickford
Gene Evans
Steve Karnes
Derren Nesbitt
The Radar Operator, at the radar room (uncredited)
John Turner
John
Jack MacGowran
Dr. Sampson, the paleontologist
Guy Standeven
Naval Officer in Situation Room (uncredited)
Maurice Kaufmann
Mini Submarine Officer
Lloyd Lamble
Senior Admiral, at the Admiralty
Leonard Sachs
Dialogue Scientist at Conference (bit)
Patrick Jordan
Photo Lab Aide
André Maranne
French Radio Officer (uncredited)
Alastair Hunter
Dr. C. A. Morris, the village doctor
Neil Hallett
Dr. Sampson's Helicopter Pilot (uncredited)
Max Faulkner
PLA Radio Operator (uncredited)
Howard Lang
Naval Commader, at the "Valkyrie" wreck (uncredited)