Scooby-Doo, Where Are You Now!

Frank Welker

Scooby-Doo / Fred Jones / Self

Matthew Lillard

Norville 'Shaggy' Rogers / Self - Voice of "Shaggy"

Grey DeLisle

Daphne Blake / Self - Voice of "Daphne"

Kate Micucci

Velma Dinkley / Self - Voice of "Velma"

Janel Parrish

Janel Parrish - Host

Jerry Beck

Self - Animation Historian and Author

David Silverman

Self - Director and Producer, "The Simpsons"

Seth Green

Self - Actor, "Scooby-Doo 2: Monsters Unleashed"

Tony Cervone

Self - Director, "Scoob!" / Showrunner, "Mystery Incorporated"

Tom Sito

Self - Animator, Historian

Joseph Barbera

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)

Diedrich Bader

Batman - Concerned Citizen (voice)

'Weird Al' Yankovic

Self - Singer, Songwriter, Accordionist

Olivia Liang

Olivia Liang - Shaggy's Martial Arts Trainer

Karamo Brown

Costume Designer Carter

Mitch Watson

Self - Showrunner, "Mystery Incorporated"

Cheri Oteri

Lazlo the Mechanic

Brendan Jennings

Arlo Davidsonman - Team Scooby

Vadym Krasnenko

Snow Ghost

Lindsey Alena

Additional Voices (voice)

Dominic Catrambone

Additional Voices (voice)

Fred Tatasciore

Additional Voices (voice)

Jonathan Stern

Director, Writer

David Soldinger

Producer

Franny Baldwin

Producer