Scooby-Doo / Fred (voice)
Velma (voice)
Daphne (voice)
Shaggy (voice)
Marcus Brancusi (voice)
Archambault (voice)
Wulfric von Rydingsvard (voice)
Schmatko / Conductor (voice)
Oliverio / Sisko (voice)
Human Scooby-Doo / Guard (voice)
Phil Flaxman / Detective (voice)
Jean (voice)
Lena / Joan (voice)
Whitney Doubleday (voice)