A decidedly odd couple with ulterior motives convince Dr. Alan Grant to go to Isla Sorna (the second InGen dinosaur lab.), resulting in an unexpected landing...and unexpected new inhabitants on the island. Jurassic Park III is a 2001 American science fiction adventure film and the third installment in the Jurassic Park film series. The film stars Sam Neill, William H. Macy, Téa Leoni, Alessandro Nivola, Trevor Morgan, and Michael Jeter. It is the first film in the series not to have been dire