as Scooby-Doo / Fred Jones / Msicellaneous Bikers (voice)
as Velma Dinkley (voice)
as Daphne Blake (voice)
as Shaggy Rogers / Shaky Joe (voice)
as Faith (voice)
as Friz / GPS / Msicellaneous Bikers (voice)
as Mr. Babbit / Blair / Grad Student #1 / Bikers (voice)
as Winsor (voice)
as Professor Svankmajer (voice)
as Doctor (voice)
as Tex / Cop #2 / Grad Student #3 / Bikers (voice)
as Mr. Hubley (voice)
as Policeman / Cop #1 / Grad Student #2 / Bikers (voice)
as Ms. Deitch (voice)