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 RobrockMixer (voice) Laila BerzinsLion-S (voice) Crispin FreemanRatar-O (voice) Cindy RobinsonNayda (voice) Victor CourtrightMumm-Randall (voice) / Režisér / Producent / Teleplay 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 CourtrightMumm-Randall (voice) / Režisér / Producent / Teleplay Jules BassConsulting Producer Marly Halpern-GraserProducent / Námět Sam RegisterVýkonný producent Matthew JanszenTheme Song Performance Andi GibsonTheme Song Performance Kamatteachan ShinseiTheme Song Performance Theodore Walter WolfCharacters Lee Knox OstertagTeleplay 
