Metalocalypse

Mark Hamill

Mr. Salacia / Senator Stampingston (voice) / Salacia / Senator Stampingston / Oscar Explosion / Fan (voice)

Malcolm McDowell

Vater Orlagg (voice) / Vader Orlag (voice)

Victor Brandt

General Crozier (voice)

Brendon Small

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

Raya Yarbrough

Abigail Remeltindrinc / Old Groupie (voice) / Abigail Remeltindrine (voice)

Jack Black

Dethklok's Original Manager / Fat Fan (voice)

Jon Hamm

Emcee / Klokateer (voice)

Juliet Mills

Whale (voice)

Laraine Newman

Rose Explosion / Newscaster (voice)

Kirk Hammett

Fan (voice)

Scott Ian

Elite Tribunal Soldier / Fan (voice)

Amy Lee

Fan (voice)

George Fisher

Metal Masked Assassin (voice)

King Diamond

Priest (voice)

Tommy Blacha

William Murderface / Toki Wartooth / Dr. Rockzo (voice)

Mike Keneally

Toki Wartooth (voice)

Thundercat

Fan (voice)

Ulrich Wild

Bald Fan (voice) (uncredited)

Livia Zita

Tribunal Member (voice)