Frank Welker

Scooby-Doo / Fred Jones (voice)

Matthew Lillard

Shaggy Rogers (voice)

Grey DeLisle

Daphne Blake (voice)

Mindy Cohn

Velma Dinkley (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)