Frank Welker
Fred Jones / Scooby-Doo (voice)
Matthew Lillard
Shaggy Rogers (voice)
Mindy Cohn
Velma Dinkley (Voice)
Grey DeLisle
Daphne Blake (voice)
Dee Bradley Baker
C.L. Magnus / Mr. Burger (voice)
Diedrich Bader
Mrs. Vanders (voice)
Susanne Blakeslee
Townswoman (voice)
Eric Bauza
Daphanatic / Rock Dude (voice)
Jeff Bennett
Iago / Schmidlap (voice)
Kevin Michael Richardson
Cuthbert Crawley / Inspector Krunch (voice)
Candi Milo
Gypsy / Lila (voice)
Corey Burton
Baron Basil (voice)
Fred Tatasciore
Frankencreep (voice)
John Stephenson
Roger (voice) (archive footage)
Casey Kasem
Shaggy Rogers (voice) (archive footage)