Pauly Shore
Bud Macintosh
Stephen Baldwin
Doyle Johnson
William Atherton
Dr. Noah Faulkner
Joey Lauren Adams
Monique
Teresa Hill
Jen
Henry Gibson
William Leaky
Kevin West
T.C. Romulus
Denise Dowse
Olivia Biggs
Dara Tomanovich
Mimi Simkins
Rose McGowan
Denise
Taylor Negron
Russell
Patricia Hearst
Doyle's Mother
Jeremy Jordan
Trent
Trevor St. John
Parker
Channon Roe
Roach
Kylie Minogue
Dr. Petra von Kant
Kyle Gass
Tenacious D
Jack Black
Tenacious D
Christopher Dye
Partier
Loomis Fall
Drummer
Robbie Thibaut Jr.
Young Doyle
Adam Weisman
Young Bud
Brian Hayes Currie
Guard
Butch McCain
Reporter Joachim West
Roger Clinton, Jr.
Prof. Bloom
Mark Burton
Guy
Joe Sib
Singer
Soda Pop
Guitarist
Rene L. Moreno
Partier
Molly Bryant
Bio-Dome Technician
Ben McCain
Anchor Aries West
Katherine Kousi
Vigilante
Elizabeth Guber
Vigilante
Tucker Smallwood
Cmdr. Gates, SWAT Team
Phil LaMarr
Assistant
Paul Eiding
Assistant
Rodger Bumpass
Narrator
Phil Proctor
Axl
Cecile Krevoy
Woman in Bandstand