Scooby-Doo 2 - Monsters Unleashed DVD Peter Boyle (2004)
Actor: Peter Boyle. Scooby-Doo 2 - Monsters Unleashed. Film/ T V Title: Scooby-Doo 2 - Monsters Unleashed. Can Scooby, Shaggy and the gang regain their credibility and vanquish the dastardly Monster Machine operator?.