A Dog's Journey Movie Review: A Dog's Journey is the sequel to the 2017 film A Dog's Purpose, and is based on a series of books by W Bruce Cameron. The movie is directed by Gail Mancuso and stars Josh Gad, Dennis Quaid, Marg Helgenberger, Betty Gilpin, Kathryn Prescott, and Henry Lau. A Dog's Journey is produced by Amblin Entertainment, Reliance Entertainment, Walden Media, and Alibaba Pictures.