The Giant Behemoth 1959 Official Trailer The Giant Behemoth is a 1959 British-American science fiction action horror film directed by Eugène Lourié, with special effects by Willis H. O'Brien, Pete Peterson, Irving Block, Jack Rabin, and Louis de Witt. The film stars Gene Evans and André Morell. The screenplay was written by blacklisted author Daniel Lewis James (under the name "Daniel Hyatt") with director Lourié. Originally a story about an amorphous blob of radiation, the script was changed at