출연진
프랭크 웰커
Scooby-Doo / Fred Jones / Self
매튜 릴라드
Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"
그레이 딜라일
Daphne Blake / Self - Voice of "Daphne"
케이트 미쿠치
Velma Dinkley / Self - Voice of "Velma"
Janel Parrish
Janel Parrish - Host
Jerry Beck
Self - Animation Historian and Author
데이비드 실버먼
Self - Director and Producer, "The Simpsons"
세스 그린
Self - Actor, "Scooby-Doo 2: Monsters Unleashed"
Tony Cervone
Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"
Tom Sito
Self - Animator, Historian
조셉 버베라
Self - Hanna-Barbera Co-Founder (archive footage)
Mary Lynn Rajskub
Producer Bryn
Baron Vaughn
Bram Penobscot - Scooby's Vocal Coach
Casey Kasem
Shaggy Rogers (voice) (archive footage)
다이드리치 베이더
Batman - Concerned Citizen (voice)
위어드 알 얀코빅
Self - Singer, Songwriter, Accordionist
Olivia Liang
Olivia Liang - Shaggy's Martial Arts Trainer
Karamo Brown
Costume Designer Carter
Mitch Watson
Self - Showrunner, "Mystery Incorporated"
셰리 오테리
Lazlo the Mechanic
Brendan Jennings
Arlo Davidsonman - Team Scooby