<Li> Keke Palmer as Peaches, a young female woolly mammoth--Manny and Ellie's daughter </Li> <Li> Josh Peck as Eddie, a opossum and a brother of Ellie </Li> <Li> Simon Pegg as Buck, a one - eyed weasel and a dinosaur hunter who reunites with The Herd to warn them of the coming asteroid . <Ul> <Li> Pegg also voices Pythagoras Buck and Robo Buck who exist in his mind alongside with Neil deBuck Weasel </Li> </Ul> </Li> <Ul> <Li> Pegg also voices Pythagoras Buck and Robo Buck who exist in his mind alongside with Neil deBuck Weasel </Li> </Ul>

Who plays the weasel in ice age collision course