20,000 Leagues Under the Sea (1954) is an adventure film directed by Richard Fleischer and starring Kirk Douglas, James Mason and Paul Lukas. Based on Jules Vernes novel, the film follows a group of men who are captured by the enigmatic Captain Nemo and taken on a journey aboard his advanced submarine, the Nautilus. With its groundbreaking special effects and thrilling story, this film is a classic of the adventure genre.