Frank Welker
Scooby-Doo / Fred Jones (voice)
Casey Kasem
Shaggy Rogers (voice)
Grey DeLisle
Daphne Blake / Cat Witch / Honeybee (voice)
Mindy Cohn
Velma Dinkley (voice)
Lauren Bacall
The Grand Witch (voice)
Tim Curry
The Goblin King (voice)
Jim Belushi
Glob (voice)
Wayne Knight
The Amazing Krudsky (voice)
Wallace Shawn
Mr. Gibbles (voice)
Hayden Panettiere
Fairy Princess Willow (voice)
Larry Joe Campbell
Glum (voice)
Jay Leno
Jack O'Lantern (voice)
Thom Adcox-Hernandez
Sparkplug (voice)
Russi Taylor
Owl Witch / Tiddlywink