Actors

Jack Black

Actor

Dethklok's Original Manager / Fat Fan (voice)

Mark Hamill

Actor

Mr. Salacia / Senator Stampingston (voice)

Mike Keneally

Actor

Toki Wartooth (voice)

Malcolm McDowell

Actor

Vater Orlagg (voice)

Brendon Small

Actor

Nathan Explosion / Skwisgaar Skwigelf / Pickles / William Murderface / Young Toki Wartooth / Charles Offdensen / Ishnifus Meaddle / Edgar Jomfru / Eric Jomfru / Magnus Hammersmith / Dr. Rockzo (voice)

Victor Brandt

Actor

General Crozier (voice)

Raya Yarbrough

Actor

Abigail Remeltindrinc / Old Groupie (voice)

Ulrich Wild

Actor

Bald Fan (voice) (uncredited)

George Fisher

Actor

Metal Masked Assassin (voice)