Joseph Gordon-Levitt as Neil McCormick

Brady Corbet as Brian Lackey

Michelle Trachtenberg as Wendy Peterson

Jeffrey Licon as Eric Preston

Mary Lynn Rajskub as Avalyn Friesen

Elisabeth Shue as Mrs. McCormick

Lisa Long as Mrs. Lackey

Bill Sage as Coach

Chase Ellison as Neil (Age 8)

George Webster as Brian (Age 8)

Riley McGuire as Wendy (Age 11)

Rachael Nastassja Kraft as Deborah (Age 12)

Chris Mulkey as Mr. Lackey

David Lee Smith as Alfred

Kelly Kruger as Deborah Lackey

Ryan Stenzel as Stephen Zepherelli

Richard Riehle as Charlie

Larry Marko as Old Man with Scar

Clover as Patches

Bruno Alexander as Redneck Hick

Forrest Fountain as Jackson

Zane Huett as Jackson's Son

Reedy Gibbs as Receptionist

David Alan Graf as Gay Lumberjack

John Ganun as NYC John

Billy Drago as Zeke

Pete Kasper as Sedan Driver

Joan Blair as Customer in Yogurt Shop (uncredited)

Trieste Kelly Dunn as Date in "Blood Prom" (uncredited)