Frank Welker
Scooby-Doo / Fred Jones / Self
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After 52 years of solving mysteries, the Scooby gang reunite at Warner Bros. Studios to reminisce about their favorite cases and how they were filmed. But it turns out that the back lot may have its OWN monster problem. Fred, Daphne, Velma, Shaggy, and Scooby-Doo investigate…
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