Frank Welker в ролята на Scooby-Doo / Rudy / Fred / Nefario (voice)
Grey DeLisle в ролята на Daphne / Daisy / Musketeer 1 / Olive (voice)
Matthew Lillard в ролята на Shaggy / Craggly / Captain Cutler (voice)
Kate Micucci в ролята на Velma / Helga (voice)
Myrna Velasco в ролята на Coco Diablo (voice)
Dee Bradley Baker в ролята на Esteban / Mr. Wickles / Cat Man (voice)
Jeff Bennett в ролята на Shady Guy / Charlie Humdrum / Hank (voice)
Anthony Carrigan в ролята на Trevor Glume / Farmer (voice)
Erin Fitzgerald в ролята на Library Kid / Superhero Girl / Musketeer 2 (voice)
David Lodge в ролята на Warden Collins / Harry the Hypnotist / Inspector (voice)
Lara Jill Miller в ролята на Prisoner Costume Teen / Superhero Boy / Musketeer 3 (voice)
Candi Milo в ролята на Prison Woman / Dinosaur Kid / Monster Kid (voice)
Jenelle Lynn Randall в ролята на Librarian / Superboy (voice)
Kevin Michael Richardson в ролята на Sheriff / Henry Bascombe / 10,000 Volt Ghost (voice)
