Obsazení a štáb Hromkočky hřmí
Max MittelmanLion-O / Wilykat (voice) Erica LindbeckCheetara / Wilykit (voice) Patrick SeitzPanthro / Mumm-Ra (voice) Chris Jai AlexTygra (voice) Dana SnyderVultureman (voice) Trevor DevallSlithe (voice) Jim MeskimenMonkian (voice) Andrew KishinoJackalman (voice) Kaitlyn RobrockSchnorp / Spidera (voice) Laila BerzinsLion-S (voice) Crispin FreemanRatar-O (voice) Cindy RobinsonNayda (voice) Victor CourtrightTroll (voice) / Režisér / Scénárista / Producent Danielle PinnockBarbastella (voice) Andrew MorgadoClaudius (voice) Daniel HagenSanta Claus (voice) Stephen TobolowskyDriller (voice) Dave B. MitchellSnowman (voice) Cree SummerThe Netherwitch (voice) Steve BlumEmperor Toadius (voice) Cedric L. WilliamsPrince Starling (voice) Hudson WestLion-O's Brain (voice) Bennett AbaraSkrimm (voice) Robbie DaymondSwampy Johnny (voice) Melissa HutchisonSilky (voice) Angelo HatgistavrouRežisér Victor CourtrightTroll (voice) / Režisér / Scénárista / Producent Marly Halpern-GraserScénárista / Producent Sam RegisterVýkonný producent Jules BassConsulting Producer Matthew JanszenTheme Song Performance Andi GibsonTheme Song Performance Kamatteachan ShinseiTheme Song Performance Theodore Walter WolfCharacters Lee Knox OstertagTeleplay 
