Scooby-Doo / Fred Jones / Self
Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"
Daphne Blake / Self - Voice of "Daphne"
Velma Dinkley / Self - Voice of "Velma"
Janel Parrish - Host
Self - Animation Historian and Author
Self - Director and Producer, "The Simpsons"
Self - Actor, "Scooby-Doo 2: Monsters Unleashed"
Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"
Self - Animator, Historian
Self - Hanna-Barbera Co-Founder (archive footage)
Producer Bryn
