Sean AstinChester (voice) Brian KimmetHarold (voice) Chris KattanBunnicula / Mina's Dad (voice) Kari WahlgrenMina (voice) Eric BauzaPatches the Weredude (voice) Richard Steven HorvitzLugosi (voice) Sonya LeslieQueen Shelia (voice) Fred TatascioreChaos (voice) Patrick SeitzZogthoth (voice) Rhasaan OrangeWeasel (voice) Steve BlumMarvin the Ghost (voice) Tom KennyMr. Molesby / Moles (voice) Carlos AlazraquiGiant Snake (voice) Laraine NewmanGreta (voice) Harland WilliamsThomas Edison's Ghost / Alien (voice) Chad DoreckColt Bifton (voice) Joe J. ThomasPa Rabbit (voice) Carl LumblyLead Prison Guard / Vampire Bat (voice) Daran NorrisAgent 51 (voice) Rick ZieffGeneral Cashews (voice) Yuri LowenthalZakarov (voice) Donovan PattonPutt-Putt Pete (voice) Max MittelmanGenie (voice) Robert CatriniRat Pack Boss (voice) Jasmine KaurDJ Demon (voice) Will FriedleCaptain Science Magic Love (voice) P.J. ByrneBoogaloo (voice) David ShaughnessyHarold's Tail (voice) Roger Craig SmithParty Animal (voice) Trevor DevallLucky Cricket (voice) George KaprielianDirector Ian WasselukDirector / Escritor Matt WhitlockDirector / Escritor Maxwell AtomsDirector / Escritor / Productor Jessica BorutskiDirector / Escritor / Productor Robert HughesDirector / Escritor Shaunt NigoghossianDirector / Productor Jordan GershowitzEscritor James HoweConsulting Producer / Book Paul Edward-FrancisCompositor de música original 
