Scoob!

Will Forte

(Shaggy Rogers (voice))

Frank Welker

(Scooby-Doo / Pterodactyl (voice))

Mark Wahlberg

(Blue Falcon (voice))

Jason Isaacs

(Dick Dastardly (voice))

Ken Jeong

(Dynomutt, Dog Wonder (voice))

Amanda Seyfried

(Daphne Blake (voice))

Gina Rodriguez

(Velma Dinkley (voice))

Zac Efron

(Fred Jones (voice))

Iain Armitage

(Young Shaggy (voice))

Ariana Greenblatt

(Young Velma (voice))

Mckenna Grace

(Young Daphne (voice))

Pierce Gagnon

(Young Fred (voice))

Kiersey Clemons

(Dee Dee Skyes (voice))

Tracy Morgan

(Captain Caveman (voice))

Simon Cowell

(Simon Cowell (voice))

Kevin Heffernan

(Bike Cop Gary (voice))

Christina Hendricks

(Officer Jaffe (voice))

Henry Winkler

(Keith (voice))

John DiMaggio

(Restaurant Owner (voice))

Ira Glass

(Ira Glass (voice))

Maya Erskine

(Judy Takamoto (voice))

Billy West

(Muttley (voice))

Don Messick

(Muttley (archive sound) (voice))

Fred Tatasciore

(Cerberus (voice))

Justina Machado

(Jamie Rivera (voice))

Tony Cervone

(Ghost / Mr. Rigby / Alice (voice))