Mindy Cohn
Velma Dinkley (voice)
Matthew Lillard
Shaggy Rogers (voice)
Grey DeLisle
Daphne Blake (voice)
Frank Welker
Fred Jones / Scooby-Doo (voice)
Dee Bradley Baker
(voices)
Carlos Alazraqui
Havros Menkle / Clete the Janitor (voice)
Crispin Freeman
Fabian Men (voice)
Fred Tatasciore
Sinister Snowman / Santa Claus (voice)