Velma Dinkley (voice)
Mindy Cohn
Shaggy Rogers (voice)
Matthew Lillard
Daphne Blake (voice)
Grey DeLisle
Fred Jones / Scooby-Doo (voice)
Frank Welker
(voices)
Dee Bradley Baker
Havros Menkle / Clete the Janitor (voice)
Carlos Alazraqui
Fabian Men (voice)
Crispin Freeman
Sinister Snowman / Santa Claus (voice)
Fred Tatasciore
Director
Victor Cook
Producer
Writer
Michael Ryan
Original Music Composer
Robert J. Kral
Executive Producer
Sam Register
Background Designer
Tristin Cole