Frank Welker

Scooby-Doo / Fred Jones (voice)

Matthew Lillard

Shaggy Rogers (voice)

Grey DeLisle

Daphne Blake (voice)

Mindy Cohn

Velma Dinkley (voice)

Julie Bowen

Dr. Devon Albright (voice)

Lacey Chabert

Melanie Staples (voice)

Alan Rachins

Dr. Ned Staples (voice)

Paul Reubens

Irv (voice)

Phil LaMarr

Stan (voice)