Kadro (10)
Jack BlackDethklok's Original Manager / Fat Fan (voice)
Mark HamillMr. Salacia / Senator Stampingston (voice)
Mike KeneallyToki Wartooth (voice)
Brendon SmallNathan Explosion / Skwisgaar Skwigelf / Pickles / William Murderface / Young Toki Wartooth / Charles Offdensen / Ishnifus Meaddle / Edgar Jomfru / Eric Jomfru / Magnus Hammersmith / Dr. Rockz
Malcolm McDowellVater Orlagg (voice)
George FisherMetal Masked Assassin (voice)
Victor BrandtGeneral Crozier (voice)Raya YarbroughAbigail Remeltindrinc / Old Groupie (voice)Ulrich WildBald Fan (voice) (uncredited)George FisherMetal Masked Assassin (voice)