Description
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.
Casts:
Doug McClure
John McEnery
Susan Penhaligon
Keith Barron
Anthony Ainley
Godfrey James
Bobby Parr
Declan Mulholland
