Frank Welker
Fred / Scooby-Doo (voice)
Matthew Lillard
Shaggy (voice)
Grey DeLisle
Daphne (voice)
Gene Simmons
Demon (voice)
Paul Stanley
Starchild (voice)
Eric Singer
Catman (voice)
Garry Marshall
Manny Goldman (voice)
Doc McGhee
Chip McGhoo (voice)
Pauley Perrette
Delilah Domino (voice)
Rachel Ramras
Shandi Strutter (voice)
Penny Marshall
The Elder (voice)
Darius Rucker
The Destroyer (voice)
Jennifer Carpenter
Chikara (voice)
Jason Mewes
Worker #1 (voice)
Kevin Smith
Worker #2 (voice)
Tony Cervone
Announcer (voice)
Tommy Thayer
Spaceman (voice)
