During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.
Production Details
An Amicus Production
Produced at Shepperton Studios
91 Mins
Stills from film
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Original Poster
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Footnotes
Hammer actor Anton Diffring dubbed John McEnery’s voice as Captain Von Schoenvorts, allegedly because the producers felt McEnery had used a silly voice for the part.