Scooby-Doo! Abracadabra-Doo

The gang goes on a trip to check on Velma's younger sister, Madelyn. She's been studying stage magic at the Whirlen Merlin Magic Academy, where apparently there have been sightings of a giant griffin. The gang decides to investigate.

Grey DeLisle

Daphne Blake (voice)

Matthew Lillard

Shaggy Rogers (voice)

Mindy Cohn

Velma Dinkley (voice)

Frank Welker

Scooby-Doo / Fred Jones (voice)

Danica McKellar

Madelyn Dinkley (voice)

James Patrick Stuart

Whirlen Merlin (voice)

Crystal Scales

Crystal (voice)

Brian Posehn

Marlon Whirlen (voice)

Jeffrey Tambor

Mr. Calvin Curdles (voice)

Diane Delano

Mrs. Alma Rumblebuns (voice)

John DiMaggio

Groundskeeper Amos (voice)

Melique Berger

Upset Mother (voice)

John Stephenson

The Sheriff (voice)

Dee Bradley Baker

Sherman (voice)

Olivia Hack

Treena (voice)

Dave Attell

GPS (voice)