Daniel Thomas O'Bannon (September 30, 1946 – December 17, 2009) was an American film screenwriter, director, visual effects supervisor, usually in the science fiction and horror genres. O'Bannon wrote the screenplay for Alien, adapted from a story he wrote with Ronald Shusett. He also wrote and directed the horror comedy The Return of the Living Dead. He contributed computer animation to Star Wars and worked on cult classics such as Dark Star, Heavy Metal, and Total Recall.