Good Boy! is a 2003 comedy film, directed by John Robert Hoffman and produced by Jim Henson Pictures, released by Metro-Goldwyn-Mayer. The film stars Liam Aiken as Owen Baker, as well as the voices of Matthew Broderick, Delta Burke, Donald Faison, Brittany Murphy, Carl Reiner, Vanessa Redgrave, and Cheech Marin as the abundant dog characters in the movie. The film was based on the book Dogs from Outer Space by Zeke Richardson. John Hoffman and Richardson collaborated on the screen story, while Hoffman wrote the screenplay.