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 (voice)