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 Sewariel (voice) Fred TatascioreChaos (voice) Patrick SeitzTreegor (voice) Rhasaan OrangeWeasel (voice) Steve BlumCat Shaver (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 KaprielianRegisseur Ian WasselukRegisseur / Schrijver Maxwell AtomsRegisseur / Schrijver / Producer Matt WhitlockRegisseur / Schrijver Jessica BorutskiRegisseur / Schrijver / Producer Robert HughesRegisseur / Schrijver Shaunt NigoghossianRegisseur / Producer Brady KlostermanSchrijver John Bailey OwenSchrijver James HoweConsulting Producer / Book Paul Edward-FrancisOriginal Music Composer Jordan GershowitzTeleplay 
