Jim Levinstein

Jason Biggs

Michelle Levenstein

Alyson Hannigan

Chris 'Oz' Ostreicher

Chris Klein

Steve Stifler

Seann William Scott

Kevin Myers

Thomas Ian Nicholas

Victoria 'Vicky' Lathum

Tara Reid

Heather

Mena Suvari

Paul Finch

Eddie Kaye Thomas

John

John Cho

Jim's Father

Eugene Levy

Nadia

Shannon Elizabeth

Stifler's Mom

Jennifer Coolidge

Trisha

Dania Ramirez

Mia

Katrina Bowden

Jessica

Natasha Lyonne

Justin

Justin Isfeld

Kara

Ali Cobrin

Dr. Ron

Jay Harrington

Chuck Sherman

Chris Owen

AJ

Chuck Hittinger

Celebrity Dance-Off Host

Neil Patrick Harris

Jim's Mother

Molly Cheek

Ellie

Charlene Amoia

Kyle

Jesse Malinowski

Ali

Pam Green

Prateek's Hot Girlfriend

Valarie Kobrovsky

Bo

Robert Hayes

Prateek Duraiswamy

Vik Sahay

Kara's Dad

Stevie Ray Dallimore

Kara's Mom

Kim Wall

Evan

George Christopher Bianchi

Jennifer Bell

Alexa

Autumn Dial

Madison

Jennifer Sun Bell

Loni

Rebecca Field

Male Alum

Vince Pisani

Female Alum

Terri James

Jennifer Kober

Ingrid

Jen Kober

Deshaun

Raheem Babalola

Benjamin G. Arthur

Chester

Benjamin Arthur

Reed

Hart Turner

Adam

Matt Mangum

Police Officer

Brian Mahoney

Oz Fan

Helenna Santos

Reggie

Michael Beasley

Chad Ochocinco

Chad Ochocinco

Mitch

Zane Wind

Computer (voice)

Jenna Willis

Mom at Party

Randy Hurwitz

MILF Guy at Bar (uncredited)

Jeremy Ambler

Helenna Santos Levy

Celebrity Dance-Off Patron (uncredited)

Walter Hendrix III

Young Loni Lipstein (uncredited)

Ashlyn Henson

Finch's Mom (uncredited)

Rebecca De Mornay

Jim (13 yrs.)

Joseph Kaiser

Stifler (13 yrs.)

Michael May

Oz (13 yrs.)

Logan Van Sickle

Kevin (13 yrs.)

Chase Krepp

Finch (13 yrs.)

Maximiliano Wissinger

Random Alumni

John Jason Bailey

Elizabeth Shea Hurwitz

Bar Mitzvah Dad

Rod C. Rich

Teen Partygoer (uncredited)

Courtney Bowers

Dad at Party (uncredited)

Jon Hurwitz

Party Goer (uncredited)

Adam C. Johnson

AJ

Charles Hittinger

Hayden Schlossberg