Frank Welker
Fred / Scooby-Doo (voice)
Matthew Lillard
Shaggy (voice)
Grey DeLisle
Daphne (voice)
Dee Bradley Baker
C.L. Magnus / Mr. Burger (voice)
Diedrich Bader
Mrs. Vanders (voice)
Susanne Blakeslee
Townswoman (voice)
Eric Bauza
Daphanatic / Rock Dude (voice)
Jeff Bennett
Iago / Schmidlap (voice)
Kevin Michael Richardson
Cuthbert Crawley / Inspector Krunch (voice)