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Dinosaur is a 2000 American live-action/animated adventure film produced by Walt Disney Feature Animation in association with The Secret Lab, and released by Walt Disney Pictures. The film was directed by Ralph Zondag and Eric Leighton and produced by Pam Marsden, from a screenplay written by John Harrison, Robert Nelson Jacobs, and Walon Green, and a story by the trio alongside Zondag and Thom Enriquez. It features the voices of D. B. Sweeney, Alfre Woodard, Ossie Davis, Max Casella, Hayden Panettiere, Samuel E. Wright, Julianna Margulies, Peter Siragusa, Joan Plowright, and Della Reese. The story follows a young Iguanodon who was adopted and raised by a family of lemurs on a tropical island. They are forced to the mainland by a catastrophic meteorite impact; setting out to find a new home, they join a herd of dinosaurs heading for the "Nesting Grounds", but must contend with the group's harsh leader, as well as external dangers such as predatory Carnotaurus.