Scooby-Doo, Where Are You Now! Trailer (2021)

Frank Welker as Scooby-Doo / Fred Jones / Self

Matthew Lillard as Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"

Grey DeLisle as Daphne Blake / Self - Voice of "Daphne"

Kate Micucci as Velma Dinkley / Self - Voice of "Velma"

Janel Parrish as Janel Parrish - Host

Jerry Beck as Self - Animation Historian and Author

David Silverman as Self - Director and Producer, "The Simpsons"

Seth Green as Self - Actor, "Scooby-Doo 2: Monsters Unleashed"

Tony Cervone as Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"

Tom Sito as Self - Animator, Historian

Joseph Barbera as Self - Hanna-Barbera Co-Founder (archive footage)

Mary Lynn Rajskub as Producer Bryn

Baron Vaughn as Bram Penobscot - Scooby's Vocal Coach

Casey Kasem as Shaggy Rogers (voice) (archive footage)

Diedrich Bader as Batman - Concerned Citizen (voice)

'Weird Al' Yankovic as Self - Singer, Songwriter, Accordionist

Jonathan Stern Executive Producer

Jonathan Stern Writer

Jonathan Stern Director

Jerry Beck Thanks

Tony Cervone Thanks

Seth Green Thanks

David Silverman Thanks

Tom Sito Thanks

Mitch Watson Thanks

'Weird Al' Yankovic Thanks

David Soldinger Producer

Franny Baldwin Producer

Jamie Conklin Associate Producer

Franny Baldwin Other

Cassandra B. Laymon Other

Marc Newland Other