Frank Welker

Character: Fred / Scooby-Doo (voice)

Matthew Lillard

Character: Shaggy (voice)

Mindy Cohn

Character: Velma (Voice)

Grey DeLisle

Character: Daphne (voice)

Dee Bradley Baker

Character: C.L. Magnus / Mr. Burger (voice)

Diedrich Bader

Character: Mrs. Vanders (voice)

Susanne Blakeslee

Character: Townswoman (voice)

Eric Bauza

Character: Daphanatic / Rock Dude (voice)

Jeff Bennett

Character: Iago / Schmidlap (voice)

Kevin Michael Richardson

Character: Cuthbert Crawley / Inspector Krunch (voice)

Candi Milo

Character: Gypsy / Lila (voice)

Corey Burton

Character: Baron Basil (voice)

Fred Tatasciore

Character: Frankencreep (voice)

John Stephenson

Character: Roger (voice) (archive footage)

Casey Kasem

Character: Shaggy Rogers (voice) (archive footage)