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Main Human Characters Owen Grady (played by Chris Pratt): A Navy veteran, animal behaviorist, and Velociraptor trainer. Claire Dearing (played by Bryce Dallas Howard): The operations manager of the Jurassic World theme park. Gray Mitchell (played by Ty Simpkins): Claire's younger nephew visiting the park. Zach Mitchell (played by Nick Robinson): Claire's older nephew visiting the park. Simon Masrani (played by Irrfan Khan): The billionaire CEO of the Masrani Corporation and owner of the park. Dr. Henry Wu (played by BD Wong): The chief geneticist responsible for creating the park's dinosaurs and hybrids. Vic Hoskins (played by Vincent D'Onofrio): The head of InGen security who wants to weaponize the raptors. Barry Sembène (played by Omar Sy): Owen's assistant and fellow animal handler. Lowery Cruthers (played by Jake Johnson): A technician in the park's control room. Vivian Krill (played by Lauren Lapkus): A control room operator working alongside Lowery. [1, 2] Key Prehistoric Animals Indominus rex: The genetically modified hybrid dinosaur and primary antagonist. Rexy: The iconic adult Tyrannosaurus rex from the original park. Blue: The alpha of Owen's trained Velociraptor pack, along with sisters Delta, Echo, and Charlie. Mosasaurus: The giant aquatic reptile housed in the park's lagoon