Frank Welker Fred, Scooby Voice Mindy Cohn Velma Voice Grey DeLisle Daphne Voice Matthew Lillard Shaggy Voice Kimberly Brooks Luna Guest Voice Gary Cole Mayor Fred Jones Sr. Guest Voice Quinton Flynn Daniel Prezette, Frantzee Pantz, Gus Boggs Guest Voice Jennifer Hale Thorn Guest Voice Maurice LaMarche Vincent Van Ghoul Guest Voice Fred Tatasciore The Phantom, Announcer, Janitor Guest Voice Patrick Warburton Sheriff Bronson Stone Guest Voice Jane Wiedlin Dusk Guest Voice Sam Register Executive Producer Spike Brandt Producer Tony Cervone Producer Lauren Montgomery Director Victor Cook Director Mark Banker Writer Mitch Watson Writer