Freddie Prinze Jr.Fred Jones

Sarah Michelle GellarDaphne Blake

Matthew LillardShaggy Rogers

Linda CardelliniVelma Dinkley

Rowan AtkinsonEmile Mondavarious

Miguel A. Núñez, Jr.Voodoo Maestro

Isla FisherMary Jane

Steven GrivesN' Goo Tuana

Charles Stan FrazierSugar Ray

Craig BullockSugar Ray

Matthew Murphy KargesSugar Ray

Mark McGrathSugar Ray

Rodney SheppardSugar Ray

Sam GrecoZarkos

Charlie CousinsVelma's Friend

Kristian SchmidBrad

Nicholas HopeOld Man Smithers

Neil FanningScooby-Doo (voice)

Scott InnesScrappy-Doo (voice)

J.P. ManouxScrappy Rex (voice)

Chris CruickshanksTiny Henchman

Alex RuizReporter #1

Sheryl BenkoReporter #2

Rio NugaraIsland Emissary

David VallonBartender Dead Mike's

Troy MacKinderGuy in the Vat

Michala BanasCarol

Holly BrisleyTraining Video Woman

Robert DíazTraining Video Guy #1

Remi BroadwayTraining Video Guy #2

Martin BroomeMelvin Doo

Simone DumbletonCo-Ed

Jonathan CoffeyFitzgibbon

Michael CafferyCoast Guard #2

Kyas SherriffAirport Attendant

Celeste GosnellAirport Family

Bradley GosnellAirport Family

Cayley GosnellAirport Family

Audrey GosnellAirport Family

Kurt DuvalSpooky Hotel Bartender

Janis McGavinCo-Ed Hottie

Emily GosnellAutograph Seeker

Marea Lambert BarkerAutograph Seeker

Kym JacksonAutograph Seeker

Danielle StarkeyAutograph Seeker

Andrew BryniarskiCavern Henchman

Craig BehennaHenchman #1

Keith S. BullockHenchman #2

Jess HarnellCreature Voices (voice)

Frank WelkerCreature Voices (voice)

Raja GosnellDirector

James GunnScreenplay & Story

Bob CampStoryboard

Craig TitleyStory

Joseph BarberaExecutive Producer

Andrew MasonExecutive Producer

Robert EngelmanExecutive Producer

Richard SuckleProducer

Kelley Smith-WaitExecutive Producer

Charles RovenProducer

William HannaExecutive Producer