Wieczny Student

Aaron Paul

Wasted Guy

Alex Burns

Gordon

Alex Nesic

ROTC Student (uncredited)

Anderson Goncalves

Dorky Brother

Andrew Bilgore

Party Busting Cop

Billy Taylor

Student (uncredited)

Bonnie Morgan

Twisted Auditioner (uncredited)

Cassie Townsend

Student (uncredited)

Charlie Talbert

Stomach Guy (uncredited)

Cheryl Bricker

Mrs. Henke

Chris Owen

Suicidal Freshman

Colin Campbell

Archive Guy

Curtis Armstrong

Campus Cop

Daniel Cosgrove

Richard Bagg

Darcy Shean

Gwen's Mom

Darius Miles

Darius

Deon Richmond

Mini Cochran

Edie McClurg

Campus Tour Guide

Emily Rutherfurd

Jeannie

Erik Aude

Martial Arts Freshman

Erik Estrada

Erik Estrada

Gregg Daniel

English Professor

Harry Danner

Dr. Beeverman

Ivana Bozilovic

Naomi

Jason Winer

Panos Patakos

Jesse Heiman

Student on Couch (uncredited)

John Colton

Dr. Henke

Joshua Swanson

Annoyingly Peppy Freshman

Joyce Brothers

Dr. Joyce Brothers

Kal Penn

Taj Mahal Badalandabad

Kim Smith

Casey

Lamar Odom

Coolidge Chickadee Player

Lauren Birkell

Cheesy TV Announcer

Lou Beatty Jr.

Library Man

Lydia Hull

Lindsey

Matt Newton

Male Sophomore

Megan Gallagher

Holyoke Hottie

Nathan Todaro

Skating Rink Geek (uncredited)

Nick Puga

Pimply Faced Freshman

Paul Gleason

Professor McDoogle

Ryan Allen Carrillo

Roller Skater (uncredited)

Ryan Carlberg

Worried Preppy Freshman

Ryan Reynolds

Van Wilder

Sean Marquette

Little Kid

Simon Helberg

Vernon

Skyler Stone

Test Taker (uncredited)

Sophia Bush

Sally

Steffen Schlachtenhaufen

Student Bartender (uncredited)

Summer Moore

Pajama Party Goer (uncredited)

Tara Reid

Gwen Pearson

Teck Holmes

Hutch

Teresa Hill

Hot Female Doctor

Tim Matheson

Vance Wilder Sr.

Tom Everett Scott

Elliot Grebb (uncredited)

Walt Becker

Fireman (uncredited)