Trick or Treat Scooby-Doo!— Full Cast

Frank Welker

as Scooby-Doo / Rudy / Fred / Nefario (voice)

Grey DeLisle

as Daphne / Daisy / Musketeer 1 / Olive (voice)

Matthew Lillard

as Shaggy / Craggly / Captain Cutler (voice)

Kate Micucci

as Velma / Helga (voice)

Myrna Velasco

as Coco Diablo (voice)

Dee Bradley Baker

as Esteban / Mr. Wickles / Cat Man (voice)

Jeff Bennett

as Shady Guy / Charlie Humdrum / Hank (voice)

Anthony Carrigan

as Trevor Glume / Farmer (voice)

Erin Fitzgerald

as Library Kid / Superhero Girl / Musketeer 2 (voice)

Lara Jill Miller

as Prisoner Costume Teen / Superhero Boy / Musketeer 3 (voice)

Candi Milo

as Prison Woman / Dinosaur Kid / Monster Kid (voice)

Jenelle Lynn Randall

as Librarian / Superboy (voice)

Kevin Michael Richardson

as Sheriff / Henry Bascombe / 10,000 Volt Ghost (voice)