In Scooby-Doo’s greatest adventure yet, see the never-before told story of how lifelong friends Scooby and Shaggy first met and how they joined forces with young detectives Fred, Velma, and Daphne to form the famous Mystery Inc. Now, with hundreds of cases solved, Scooby and the gang face their biggest, toughest mystery ever: an evil plot to unleash the ghost dog Cerberus upon the world. As they race to stop this global “dogpocalypse,” the gang discovers that Scooby has a secret legacy and an epic destiny greater than anyone ever imagined.
as Shaggy Rogers (voice)
as Scooby-Doo / Pterodactyl (voice)
as Blue Falcon (voice)
as Dick Dastardly (voice)
as Dynomutt, Dog Wonder (voice)
as Daphne Blake (voice)
as Velma Dinkley (voice)
as Fred Jones (voice)
as Young Shaggy (voice)
as Young Velma (voice)
as Young Daphne (voice)
as Young Fred (voice)
as Dee Dee Skyes (voice)
as Captain Caveman (voice)
as Simon Cowell (voice)
as Harry Perry (voice)
as Bike Cop Gary (voice)
as Officer Jaffe (voice)
as Keith (voice)
as Restaurant Owner (voice)
as Ira Glass (voice)
as Chad / Chet (voice)
as Judy Takamoto (voice)
as Muttley (voice)
as Muttley (archive sound) (voice)
as Cerberus (voice)
as Indira Knight (voice)
as Hal Murphy (voice)
as Beach Guy (voice)
as Jamie Rivera (voice)
as Mrs. Rogers (voice)
as Ghost / Mr. Rigby / Alice (voice)
as Officer North (voice)
as Baby Rotten (voice)
as Dispatcher Stevens (voice)
as Ben (voice)
as Kari (voice)
as Officer Casey (voice)
as Samuel Colton (voice)