Frank WelkerScooby-Doo / Fred Jones / Self
Matthew LillardNorville 'Shaggy' Rogers / Self - Voice of "Shaggy"
Grey DeLisleDaphne Blake / Self - Voice of "Daphne"
Kate MicucciVelma Dinkley / Self - Voice of "Velma"
Janel ParrishJanel Parrish - Host
Jerry BeckSelf - Animation Historian and Author
David SilvermanSelf - Director and Producer, "The Simpsons"
Seth GreenSelf - Actor, "Scooby-Doo 2: Monsters Unleashed"
Tony CervoneSelf - Director, "Scoob!" / Showrunner, "Mystery Incorporated"
Tom SitoSelf - Animator, Historian
