All Cast
Frank Welker
Scooby-Doo / Fred Jones (voice)
Matthew Lillard
Shaggy Rogers (voice)
Grey DeLisle-Griffin
Daphne Blake (voice)
Mindy Cohn
Velma Dinkley (voice)
Julie Bowen
Dr. Devon Albright (voice)
Lacey Chabert
Melanie Staples (voice)
Alan Rachins
Dr. Ned Staples (voice)
Paul Reubens
Irv (voice)
