Walking with Dinosaurs is a 2013 family film about dinosaurs set in the Late Cretaceous period, 70 million years ago. The production features computer-animated dinosaurs in live-action settings with actors John Leguizamo, Justin Long, Tiya Sircar, and Skyler Stone providing voice-overs for the main characters. It was directed by Neil Nightingale and Barry Cook from a screenplay by John Collee.A film that mixes action with creatures created by computer in 3D animation, to enter into a prehistoric world and experience the evolution of the younger members of the Pack since its birth. From breaking the shell, through the ceaseless battle for food, to the rivalry for the leadership of the Group and the showdown against the predators that stalk them at every step. Exciting vision of a now defunct world like never before had captured on the big screen.