Diary of a Wimpy Kid/Scooby Doo 2: Monsters Unleashed (2004)

Cast
 * Greg Heffley as Scooby Doo
 * Rowley Jefferson as Shaggy
 * Collin Lee as Fred
 * Holly Hills as Daphne
 * Mrs. Heffley as Velma
 * Chirag Gupta as Patrick Wisely
 * Pete Hosey as Evil Masked Figure
 * Patty Farrell as Heather Jasper Howe
 * Coach Malone as Black Knight Ghost
 * Roderick Heffley as Tar Monster
 * Mr. Jefferson as Chauffeur
 * Mr. Heffley as CL Magnus