The Land That Time Forgot (1974)

The Land That Time Forgot
Science Fiction, Action, Adventure
During World War I, a German U-boat sinks a British passenger ship and takes the survivors aboard. After getting lost in fog, the submarine surfaces near the unknown island of Caprona, a lost world where they find dinosaurs and Neanderthals.
Starring
Doug McClure, John McEnery, Susan Penhaligon, Keith Barron, Anthony Ainley, Godfrey James, Bobby Parr, Declan Mulholland, Colin Farrell, Ben Howard
Directed By
Kevin Connor