Some people believe that there was only one dog in the film, I am sorry to disappoint you guys, Vicki Shigekuni Wong, the movie producer blogged about the dogs and their trainers.
Boone's Animals For Hollywood has been training animals all over the world for over thirty years. Boone Narr's reputation with producers and animal groups is sterling, and his uncanny ability to connect with dogs is amazing to watch! I observed how Boone placed his concern for the dog's well being over everything else, and he worked closely with the American Humane Association to this end.