
The biggest thing since creation!
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 EvansSteve Karnes
André MorellProf. James Bickford
Leigh MadisonJean Trevethan
John TurnerJohn
Alastair HunterDr. C. A. Morris, the village doctor
Lloyd LambleSenior Admiral, at the Admiralty
Jack MacGowranDr. Sampson, the paleontologist
Maurice KaufmannMini Submarine Officer
Henri VidonTom Trevethan
Patrick JordanPhoto Lab AideHoward LangNaval Commader, at the "Valkyrie" wreck (uncredited)
Leonard SachsDialogue Scientist at Conference (bit)Ernest BlythScientist at Conference (uncredited)Neal ArdenTV Newscaster (uncredited)Paul BeradiMan Listening to Car Radio (uncredited)