Cast
- Peter Stormare as Wulfric von Rydingsvard (voice)
- Jim Meskimen as Phil Flaxman / Detective (voice)
- Hynden Walch as Lena / Joan (voice)
- Frank Welker as Scooby-Doo / Fred (voice)
- Craig Ferguson as Whitney Doubleday (voice)
- Maurice LaMarche as Archambault (voice)
- Candi Milo as Jean (voice)
- Jess Harnell as Human Scooby-Doo / Guard (voice)
- Greg Ellis as Marcus Brancusi (voice)
- Grey DeLisle as Daphne (voice)
- Matthew Lillard as Shaggy (voice)
- Mindy Cohn as Velma (voice)
- Jeff Dunham as Schmatko / Conductor (voice)
- Carlos Ferro as Oliverio / Sisko (voice)
