Cast (16)

Frank Welker

Scooby-Doo / Fred Jones (voice)

Matthew Lillard

Shaggy Rogers (voice)

Mindy Cohn

Velma Dinkley (voice)

Grey DeLisle

Daphne Blake (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)

Crew (11)

Spike Brandt

Director

Alan Burnett

Story

Andrea Romano

Casting

Paul Dini

Teleplay

Alan Burnett

Teleplay

Jhoanne Reyes

Editor

Misty Lee

Teleplay

Robert J. Kral

Original Music Composer

Tony Cervone

Producer

Spike Brandt

Producer

Tony Cervone

Director