Will ForteShaggy Rogers (voice) Mark WahlbergBlue Falcon (voice) Jason IsaacsDick Dastardly (voice) Gina RodriguezVelma Dinkley (voice) Zac EfronFred Jones (voice) Amanda SeyfriedDaphne Blake (voice) Kiersey ClemonsDee Dee Skyes (voice) Ken JeongDynomutt (voice) Tracy MorganCaptain Caveman (voice) Frank WelkerScooby-Doo / Pterodactyl (voice) Iain ArmitageYoung Shaggy (voice) Mckenna GraceYoung Daphne (voice) Pierce GagnonYoung Fred (voice) Ariana GreenblattYoung Velma (voice) Simon CowellSimon Cowell (voice) Christina HendricksOfficer Jaffe (voice) Henry WinklerKeith (voice) Harry PerryHarry Perry (voice) John DiMaggioRestaurant Owner (voice) Kevin HeffernanBike Cop Gary (voice) Ira GlassIra Glass (voice) Henry KaufmanChad / Chet (voice) Maya ErskineJudy Takamoto (voice) Billy WestMuttley (voice) Don MessickMuttley (archive sound) (voice) Fred TatascioreCerberus (voice) Justina MachadoJamie Rivera (voice) Kennedy PeilIndira Knight (voice) John McDanielHal Murphy (voice) Ryan FolseyBeach Guy (voice) / Editor Pam CoatsMrs. Rogers (voice) / Producer Tony CervoneGhost / Mr. Rigby / Alice (voice) / Reżyseria Adam SztykielOfficer Casey (voice) / Screenplay / Executive Producer Alex KauffmanOfficer North (voice) Vanara TaingBaby Rotten (voice) / Editor Sarah LanciaDispatcher Stevens (voice) Michael KurinskySamuel Colton (voice) / Production Design Tony CervoneGhost / Mr. Rigby / Alice (voice) / Reżyseria Chiranjiv MakwanaScreenplay Jack C. DonaldsonScreenplay Adam SztykielOfficer Casey (voice) / Screenplay / Executive Producer Andy HorwitzExecutive Producer Dan PovenmireExecutive Producer Richard SuckleExecutive Producer Tony CosanellaCo-Producer Pam CoatsMrs. Rogers (voice) / Producer Charles RovenExecutive Producer Chris ColumbusExecutive Producer Jesse EhrmanExecutive Producer Timothy Jason SmithAssociate Producer Michael KurinskySamuel Colton (voice) / Production Design Vanara TaingBaby Rotten (voice) / Editor Ryan FolseyBeach Guy (voice) / Editor Tom HolkenborgOriginal Music Composer Gabe HilferMusic Supervisor Tom RueggerVisual Effects Designer Bill HallerHead Of Animation Lex CassarVisual Development Noëlle RaffaeleStory Artist Rafael ZentilHead Of Story 
