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 TatascioreCount Orlock (voice) Patrick SeitzTreegor (voice) Rhasaan OrangeFutbol Furries Leader (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) Grey DeLisleMadam Pollidori (voice) Yvette Nicole BrownMs. Varney (voice) Kate HigginsBecky (voice) Matt WhitlockRegisör / Författare Maxwell AtomsRegisör / Författare / Producent Ian WasselukRegisör / Författare Jessica BorutskiRegisör / Författare / Producent Robert HughesRegisör / Författare Shaunt NigoghossianRegisör / Producent Darrick BachmanFörfattare Jordan GershowitzFörfattare Caldwell TannerFörfattare Brady KlostermanFörfattare John Bailey OwenFörfattare James HoweConsulting Producer / Book Paul Edward-FrancisMain Title Theme Composer 
