Characters played by Frank Welker
Fred Jones
Scooby-Doo
Characters played by Mindy Cohn
Velma Dinkley
Characters played by Grey Griffin
Daphne Blake
Characters played by Matthew Lillard
Shaggy Rogers
Characters played by Gene Simmons
The Demon
Characters played by Paul Stanley
The Starchild
Characters played by Eric Singer
The Catman
Characters played by Tommy Thayer
The Spaceman
Characters played by Jennifer Carpenter
Chikara
Characters played by Garry Marshall
Manny Goldman
Characters played by Penny Marshall
The Elder
Characters played by Doc McGhee
Chip McGhoo
Characters played by Jason Mewes
Worker #1
Characters played by Pauley Perrette
Delilah Domino
The Crimson Witch
Characters played by Rachel Ramras
Shandi Strutter
Characters played by Darius Rucker
The Destroyer
Characters played by Kevin Smith
Worker #2
Characters played by Tony Cervone
Announcer
Characters played by Mark Stroman
Patron #1
Characters played by Matthew Varley
Patron #2