Uma feiticeira malvada transporta a gangue de volta para a era dos cavaleiros cavalheirescos, magos de lançamento de feitiços e dragões cuspidores de fogo.
Daphne Blake (voice)
Peanut Vendor (voice)
Female Peasent (voice)
Scooby-Doo / Fred Jones / Monster (voice)
Velma Dinkley / Sandi (voice)
Shaggy Rogers (voice)
Merlin (voice)
Herald / Herman Ellinger / British Passenger (voice)
King Arthur Pendragon (voice)
Mr. HB (voice)
Diretor