Kadro (13)
Casey KasemShaggy Rogers (voice) (archive footage)
Frank WelkerScooby-Doo / Fred Jones (voice) (archive footage)
Mindy CohnVelma Dinkley (voice) (archive footage)
Grey DeLisleDaphne Blake / Dempsey (voice) (archive footage)
Mark HamillEmperor Caesar Saladicus (voice) (archive footage)
Daran NorrisUgo DiRinaldi / Shopkeeper / Zombie (voice) (archive footage)
Tara StrongAlexandra Viggi (voice) (archive footage)
Nika FuttermanRutie Banez (voice) (archive footage)
Pat FraleyUncle Karl (voice) (archive footage)
Dee Bradley BakerCrusty McPeet / Keeper (voice) (archive footage)
Kevin McDonaldJulian Libris (voice) (archive footage)
Ryan ShecklerRyan Sheckler (voice) (archive footage)
Maurice LaMarcheAdditional Voices (voice) (archive footage)