Tenacious D: Uma Dupla Infernal
Voltar
Jack BlackJB
Kyle GassKG
JR ReedLee
Ronnie James DioDio
Paul F. TompkinsOpen Mic Host
Troy GentileLil' JB
Ned BellamySecurity Guard
Fred ArmisenSecurity Guard
Kirk WardCar Chase Cop / Gang Leader
Amy PoehlerTruck Stop Waitress
Tim RobbinsThe Stranger
Dave GrohlSatan
Ben StillerGuitar Center Guy- Lara EverlyGirl
- Brittany EldridgeGirl
Melissa-Anne DavenportGirl
John EnnisGang Member
Vincent FosterGang Member
Jay JohnstonGang Member
Colin HanksDrunk Frat Dude
Stephanie ErbAl's Bar Waitress
Amy AdamsGorgeous Woman- Milos MilicevicTattooed Biker
- Molly BryantEcstatic Woman
Michael RivkinPoopy Guy
Gregg TurkingtonStand Up Comic
Patrick M. WalshExploding Head Guy
Bevin KayeFainting Woman
Evie PeckKG's Mother- Mason KnightYoung KG
Erik WalkerBully
Cynthia EttingerBetty Black
Andrew Lewis CaldwellBilly Black- Laura MilliganTarot Card Reader
Jason SegelFrat Boy #1 (sem créditos)
Meat LoafBud Black (sem créditos)
John C. ReillySasquatch (sem créditos)