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.
Director
Eugène Lourié
Production
Artistes Alliance Ltd., Diamond Pictures Corp.
Cast
Gene Evans, André Morell, Leigh Madison, John Turner, Alastair Hunter, Lloyd Lamble, Jack MacGowran, Maurice Kaufmann, Henri Vidon, Patrick Jordan, Howard Lang, Leonard Sachs, Ernest Blyth, Neal Arden, Paul Beradi, Max Faulkner, Neil Hallett, André Maranne, Derren Nesbitt, Guy Standeven