Frank Welker

Character: Scooby-Doo / Fred Jones (voice)

Casey Kasem

Character: Shaggy Rogers (voice)

Grey DeLisle

Character: Daphne Blake / Cat Witch / Honeybee (voice)

Mindy Cohn

Character: Velma Dinkley (voice)

Lauren Bacall

Character: The Grand Witch (voice)

Tim Curry

Character: The Goblin King (voice)

Jim Belushi

Character: Glob (voice)

Wayne Knight

Character: The Amazing Krudsky (voice)

Wallace Shawn

Character: Mr. Gibbles (voice)

Hayden Panettiere

Character: Fairy Princess Willow (voice)

Larry Joe Campbell

Character: Glum (voice)

Jay Leno

Character: Jack O'Lantern (voice)

Thom Adcox-Hernandez

Character: Sparkplug (voice)

Russi Taylor

Character: Owl Witch / Tiddlywink (voice)