Unknown Island (1948) is a Science Fiction, Horror, Adventure film that follows adventure-seeker Ted Osborne has convinced his finacee Carole to finance his expedition to an uncharted South Pacific island supposedly populated with dinosaurs... Unknown Island is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.2 out of 10 from 26 votes. Fans of science fiction movies may also want to explore similar titles below.