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.
Gene Evans | Steve Karnes | |
André Morell | Prof. James Bickford | |
John Turner | John | |
Leigh Madison | Jean Trevethan | |
Alastair Hunter | The Village Doctor | |
Lloyd Lamble | Admiral Sommers |
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