Scooby-Doo / Fred Jones (voice)

Frank Welker

Acting

Shaggy Rogers (voice)

Matthew Lillard

Acting

Velma Dinkley (voice)

Mindy Cohn

Acting

Daphne Blake (voice)

Grey DeLisle

Acting

Madelyn Dinkley (voice)

Danica McKellar

Acting

Whirlen Merlin (voice)

James Patrick Stuart

Acting

Crystal (voice)

Crystal Scales

Acting

Marlon Whirlen (voice)

Brian Posehn

Acting

Mr. Calvin Curdles (voice)

Jeffrey Tambor

Acting

Mrs. Alma Rumblebuns (voice)

Diane Delano

Acting

Groundskeeper Amos (voice)

John DiMaggio

Acting

Upset Mother (voice)

Melique Berger

Acting

The Sheriff (voice)

John Stephenson

Acting

Sherman (voice)

Dee Bradley Baker

Acting

Treena (voice)

Olivia Hack

Acting

GPS (voice)

Dave Attell

Acting