Ben Affleck

as Jack

Sam Rockwell

as Rob

Megan Ward

as Joanie

French Stewart

as Dennis

Vien Hong

as Slosh

Vinnie DeRamus

as Mickey

Kristin Bauer

as Dina

Alyssa Milano

as Chelsea

John Rhys-Davies

as Luther

Lance Wilson-White

as Stew

Mary Woronov

as Joanie's Mom

Tegan West

as Doc

Matthew McConaughey

as Rental Truck Guy

Sean Whalen

as Flunky

Christine Klotz

as Graduation Woman

Chris Slater

as Crazy

Elizabeth Ruscio

as Jack's Mom

Spalding Gray

as Jack's Dad

Brendan Fraser

as Doug

Leah Remini

as Theresa

Jay Lacopo

as The Bus Driver

Michael Stephen Ferrari

as Dina's Boyfriend

Matt Damon

as Edgar Pudwhacker

Meredith Salenger

as The Comic Strip Groupie

Bob Libman

as Chancellor Bob