Michael Angarano as Benjamin

Sam Rockwell as Bronco / Brutus

Jemaine Clement as Ronald Chevalier

Jennifer Coolidge as Judith

Halley Feiffer as Tabatha

Mike White as Dusty

Héctor Jiménez as Lonnie Donaho

Josh Pais as Todd Keefe

Clive Revill as Cletus

Suzanne May as Vanaya / Venonka

John Pleshette as Merve

John Baker as Don Carlos

Steve Berg as Obnoxious Fan

Brian Unger as Journalist

Edgar Oliver as Duncan / Lord Daysius