Frank Welker

Fred Jones / Scooby-Doo (voice)

Mindy Cohn

Velma Dinkley (voice)

Matthew Lillard

Shaggy Rogers (voice)

Grey DeLisle

Daphne Blake (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)