Marcus Giamatti

as Simon Wakefield

as Professor Marc Lasky

as Rich

as Detective Jim Zdorkin

as Artie Sneed

as Michael

as Sonic Shriek

as Joel (Conley's Agent)

as Principal Thomas

as Derek Winfield

as Don

as Dr. Ray Clemons

as Golf Club Owner

as Gerry Gertz

as Lawyer

as Freddy

as CIA Agent Michael Snyder

as Fentris

as Gabriel Fanning

as Ray Duffy

as Uncle Lou

as Zak Sutter

as Dr. Barry Landman

as Forrest Wakefield

as Glen Lynch

as Lance Pauling

as Jeffrey Keener

as Larry Kenick

as Victor Tillman

as Hugh Parker

as John Keyes

as Donald Hagen

as Robert

as Guildenstern

as Chevy Cigs

as Eddie Dillon

as Peter Gray

as Dan Kottke

as BMW Preppie

as Announcer

as John Gillnitz

as Jack Peabody

as Bernard Abrams

as Ted Sharperson

as Sargie 'Fumblina' Wilkinson

as Luke

as Gil Davis

as Salesman

as Rick Upfield

as Jack Kane

as Frank