The plot concerns the discovery of a lost city beneath the sea off the coast of Cornwall. Price is the captain overseeing a group of sailors who have lived there for more than a century where the peculiar mix of gases has allowed them to extend their lifespan.
Vincent Price | Sir Hugh | |
David Tomlinson | Harold Tufnell-Jones | |
Tab Hunter | Ben Harris | |
Susan Hart | Jill Tregillis | |
John Le Mesurier | Rev. Jonathan Ives | |
Henry Oscar | Mumford |
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