Jurassic Park III is a 2001 American science-fiction action film. It is the third installment in the Jurassic Park franchise and the final film in the original Jurassic Park trilogy, following The Lost World: Jurassic Park (1997). The film stars Sam Neill, William H. Macy, Téa Leoni, Alessandro Nivola, Trevor Morgan, and Michael Jeter. It was written by Peter Buchman, Alexander Payne, and Jim Taylor, and was directed by Joe Johnston. It is the first film in the franchise to not be directed by Steven Spielberg, who served as executive producer, instead. It is also the franchise's first film to not be based on a novel by Michael Crichton, although the film includes characters and ideas by him, including scenes from his first novel Jurassic Park (1990).