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Casting

Director

Audie Harrison

Executive Producer

Sam Register, Audie Harrison

Story

Daniel McLellan, Audie Harrison

Original Music Composer

Ryan Shore

Editor

John Soares, Robert Ehrenreich

Casting

Agnes Kim, Sarah Noonan, Maria Millage

Art Direction

Erik D. Martin

Frank Welker
Frank WelkerScooby-Doo / Rudy / Fred / Nefario (voice)
Grey DeLisle
Grey DeLisleDaphne / Daisy / Musketeer 1 / Olive (voice)
Matthew Lillard
Matthew LillardShaggy / Craggly / Captain Cutler (voice)
Kate Micucci
Kate MicucciVelma / Helga (voice)
Myrna Velasco
Myrna VelascoCoco Diablo (voice)
Dee Bradley Baker
Dee Bradley BakerEsteban / Mr. Wickles / Cat Man (voice)
Jeff Bennett
Jeff BennettShady Guy / Charlie Humdrum / Hank (voice)
Anthony Carrigan
Anthony CarriganTrevor Glume / Farmer (voice)
Erin Fitzgerald
Erin FitzgeraldLibrary Kid / Superhero Girl / Musketeer 2 (voice)
David Lodge
David LodgeWarden Collins / Harry the Hypnotist / Inspector (voice)
Lara Jill Miller
Lara Jill MillerPrisoner Costume Teen / Superhero Boy / Musketeer 3 (voice)
Candi Milo
Candi MiloPrison Woman / Dinosaur Kid / Monster Kid (voice)
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Jenelle Lynn RandallLibrarian / Superboy (voice)
Kevin Michael Richardson
Kevin Michael RichardsonSheriff / Henry Bascombe / 10,000 Volt Ghost (voice)