VIDEO : Britt Robertson, Dennis Quaid Join DreamWorks' 'A Dog's Purpose'

Britt Robertson and Dennis Quaid are going to the dogs. The actors have signed on to star in A Dog?s Purpose, DreamWorks? adaptation of the beloved book by W. Bruce Cameron being directed by Lasse Hallstrom. K.J. Apa, Juliet Rylance and Peggy Lipton have also joined the project, which centers on a devoted dog that is reincarnated several times and, even as it helps its many owners, always has the aim of being reunited with his original owner and best friend.