Mystery Inc. is summoned to investigate occurrences in a haunted villa, where a black knight terrorizes anybody who tries to get close to treasure hidden by the former owner of the building.
Frank Welker
Scooby-Doo / Fred Jones (voice)
Matthew Lillard
Shaggy Rogers (voice)
Grey DeLisle
Daphne Blake (voice)
Kate Micucci
Velma Dinkley (voice)
Colleen O'Shaughnessey
Wanda (voice)
Jason Spisak
Kyle (voice)
Phil Morris
Adam / Treasure Hunter #1 (voice)
Sean Schemmel
Charlie / Treasure Hunter #2 (voice)
