Big Top Scooby-Doo!

as Jean (voice)

as Oliverio / Sisko (voice)

as Whitney Doubleday (voice)

as Scooby-Doo / Fred (voice)

as Marcus Brancusi (voice)

as Daphne (voice)

as Lena / Joan (voice)

as Schmatko / Conductor (voice)

as Human Scooby-Doo / Guard (voice)

as Phil Flaxman / Detective (voice)

as Shaggy (voice)

as Archambault (voice)

as Velma (voice)

as Wulfric von Rydingsvard (voice)