Bio-Dome

as Young Bud

as Anchor Aries West

as Guard

as Reporter Joachim West

as Woman in Bandstand

as Roach

as Partier

as Mimi Simkins

as Olivia Biggs

as Vigilante

as William Leaky

as Tenacious D

as Trent

as Singer

as Monique

as Vigilante

as T.C. Romulus

as Tenacious D

as Dr. Petra von Kant

as Drummer

as Guy

as Bio-Dome Technician

as Doyle's Mother

as Assistant

as Bud Macintosh

as Assistant

as Axl

as Partier

as Young Doyle

as Narrator

as Prof. Bloom

as Denise

as Guitarist

as Doyle Johnson

as Russell

as Jen

as Parker

as Cmdr. Gates, SWAT Team

as Dr. Noah Faulkner