Tenacious D in The Pick of Destiny

Jack Black

JB

Kyle Gass

KG

JR Reed

Lee

Ronnie James Dio

Dio

Paul F. Tompkins

Open Mic Host

Troy Gentile

Lil' JB

Ned Bellamy

Security Guard

Fred Armisen

Security Guard

Kirk Ward

Car Chase Cop / Gang Leader

Amy Poehler

Truck Stop Waitress