Frank Welker Fred, Scooby Voice Mindy Cohn Velma Voice Grey DeLisle Daphne Voice Matthew Lillard Shaggy Voice Lewis Black Mr. E Guest Voice Carlos Alazraqui Ernesto, Todd Guest Voice Tony Cervone Gary Guest Voice, Producer Gary Cole Mayor Fred Jones Sr., Foreman Guest Voice John O'Hurley Skipper Shelton Guest Voice Patrick Warburton Sheriff Bronson Stone Guest Voice Frances Conroy Angie Dinkley Guest Voice Udo Kier Professor Pericles Guest Voice Maurice LaMarche Vincent Van Ghoul, Dad Guest Voice Richard McGonagle Ed Machine Guest Voice Vivica A. Fox Angel Dynamite Guest Voice Tom Kenny Broccoli Head, Mr. Baywosenthal Guest Voice Mitch Watson Dylan Guest Voice, Writer Kevin Dunn Male Dinkley, Workman 1 Guest Voice Kath Soucie Nan Blake, Tourist Guest Voice Fred Tatasciore Workman 2 Guest Voice Sam Register Executive Producer Spike Brandt Producer Curt Geda Director Lauren Montgomery Director Victor Cook Director Roger Eschbacher Writer Adam Beechen Writer Bart Jennett Writer John Eschbacher Writer Jed Elinoff Writer Paul Rugg Writer John P. McCann Writer Michelle Lamoreaux Writer Joe Ruby Writer Mark Banker Writer Scott Thomas Writer Robert Lamoreaux Writer Derrick Wyatt Writer