Diary of a Wimpy Kid/Scooby Doo (film)

Cast
 * Greg Heffley as Scooby-Doo!
 * Rowley Jefferson as Shaggy Rogers
 * Collin Lee as Fred Jones
 * Holly Hills as Daphne
 * Mrs. Heffley as Velma
 * Roderick as Scrappy Doo
 * Coach Malone as Scrappy Rex