<P> As they approach Arlo's home, the two again hear the unknown caveman call, and are approached by an entire cave family . With great reluctance, Arlo pushes Spot to join his adoptive family, and the two of them share a tearful goodbye . </P> <P> Arlo finally arrives home to his mother and siblings, and makes his mark on the silo between those of his mother and father . </P> <Ul> <Li> Raymond Ochoa as Arlo, a young Apatosaurus <Ul> <Li> Jack McGraw as Young Arlo </Li> </Ul> </Li> <Li> Jack Bright as Spot, a 6 - 7 - year - old human caveboy who befriends Arlo . </Li> <Li> Sam Elliott as Butch, a Tyrannosaurus who runs a "ranch" filled with prehistoric "longhorns". </Li> <Li> Anna Paquin as Ramsey, Butch's daughter </Li> <Li> A.J. Buckley as Nash, Butch's son </Li> <Li> Jeffrey Wright as Poppa Henry, the father of the Apatosaurus family, until his death . </Li> <Li> Frances McDormand as Momma Ida, the mother of the Apatosaurus family . </Li> <Li> Marcus Scribner as Buck, Arlo's brother <Ul> <Li> Ryan Teeple as Young Buck </Li> </Ul> </Li> <Li> Maleah Padilla as Libby, Arlo's sister </Li> <Li> Steve Zahn as Thunderclap, the leader of a gang of pterodactyls . </Li> <Li> Mandy Freund as Downpour, a pterodactyl who is a member of Thunderclap's flock </Li> <Li> Steven Clay Hunter as Coldfront, a pterodactyl who is a member of Thunderclap's flock </Li> <Li> Peter Sohn as Forrest Woodbush, a Styracosaurus who has various animals perched on his horns . </Li> <Li> Dave Boat as Bubbha, the leader of a gang of Velociraptor rustlers </Li> <Li> Carrie Paff as Lurleane, a Velociraptor who is a member of Bubbha's pack . </Li> <Li> John Ratzenberger as Earl, a Velociraptor who is a member of Bubbha's pack . </Li> <Li> Calum Mackenzie Grant as Pervis, a Velociraptor who is a member of Bubbha's pack . </Li> </Ul> <Li> Raymond Ochoa as Arlo, a young Apatosaurus <Ul> <Li> Jack McGraw as Young Arlo </Li> </Ul> </Li>

Who plays arlo's dad in the good dinosaur