Big Top Scooby-Doo!

Frank Welker
Scooby-Doo / Fred (voice)

Mindy Cohn
Velma (voice)

Grey DeLisle
Daphne (voice)

Matthew Lillard
Shaggy (voice)

Greg Ellis
Marcus Brancusi (voice)

Maurice LaMarche
Archambault (voice)

Peter Stormare
Wulfric von Rydingsvard (voice)

Jeff Dunham
Schmatko / Conductor (voice)

Carlos Ferro
Oliverio / Sisko (voice)

Jess Harnell
Human Scooby-Doo / Guard (voice)

Jim Meskimen
Phil Flaxman / Detective (voice)

Candi Milo
Jean (voice)

Hynden Walch
Lena / Joan (voice)

Craig Ferguson
Whitney Doubleday (voice)