Behemoth, the Sea Monster (1959) is an American-British science-fiction film co-production, which is an unacknowledged remake of Ray Harryhausen's The Beast from 20,000 Fathoms (1953), also co-scripted and directed by Eugène Lourié. Released in the United States as The Giant Behemoth, the film starred Gene Evans and André Morell. From wiki