Trailer
Images
 | Jack Black as Dethklok's Original Manager / Fat Fan (voice) |
 | Mark Hamill as Mr. Salacia / Senator Stampingston (voice) |
 | Mike Keneally as Toki Wartooth (voice) |
 | Malcolm McDowell as Vater Orlagg (voice) |
 | Brendon Small as 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 as General Crozier (voice) |
| Raya Yarbrough as Abigail Remeltindrinc / Old Groupie (voice) |
| Ulrich Wild as Bald Fan (voice) (uncredited) |
 | George Fisher as Metal Masked Assassin (voice) |
| Crew | |
| Tommy Blacha | Creator |
| Brendon Small | Creator |
Production | |
| Shannon Prynoski | Producer |
| Brendon Small | Executive Producer |
Directing | |
| Mark Brooks | Director |
Writing | |
| Mark Brooks | Writer |
| Brendon Small | Writer |
| Janine Ditullio | Writer |
