Frank Welker
Scooby-Doo / Fred Jones (voice) (archive footage)
Acting
Casey Kasem
Shaggy Rogers (voice) (archive footage)
Acting
Grey DeLisle
Daphne Blake (voice) (archive footage)
Acting
Mindy Cohn
Velma Dinkley (voice) (archive footage)
Acting
Miranda Cosgrove
Miranda Wright (voice) (archive footage)
Acting
Jeff Bennett
General Niedermeyer (voice) (archive footage)
Acting
James Arnold Taylor
Frankie Martin / Shawn (voice) (archive footage)
Acting