Frank Welker

as Fred / Scooby Doo (voice)

Mindy Cohn

as Velma (voice)

Matthew Lillard

as Shaggy (voice)

Grey DeLisle

as Daphne (voice)

Dee Bradley Baker

as Ranger Knudsen / Woodsman / Spectre / Fishman (voice)

Mark Hamill

as Deacon / Babyface Boretti / Store Owner (voice)

Phil LaMarr

as Darryl (voice)

Scott Menville

as Luke (voice)

Stephen Root

as Burt (voice)

Tara Strong

as Trudy (voice)

Lauren Tom

as Jessica (voice)