Natasha Lyonne Jessica
Rebecca De Mornay Finch's Mom (uncredited)
Jennifer Coolidge Stifler's Mom
Jay Harrington Dr. Ron
John Cho John
Tara Reid Victoria 'Vicky' Lathum
Seann William Scott Steve Stifler, Executive Producer
Alyson Hannigan Michelle Levenstein
Neil Patrick Harris Celebrity Dance-Off Host
Jeffrey G. Barnett Stunts
Jason Biggs Executive Producer, Jim Levenstein
Stevie Ray Dallimore Kara's Dad
Shannon Elizabeth Nadia
Gregory J. Barnett Stunts
Mena Suvari Heather
Katrina Bowden Mia
Eugene Levy Jim's Father
Chris Weitz Executive Producer
Thomas Ian Nicholas Kevin Myers
Eddie Kaye Thomas Paul Finch
Chris Klein Chris 'Oz' Ostreicher
Dania Ramirez Selena
Ali Cobrin Kara
Molly Cheek Jim's Mother
Charlene Amoia Ellie
Chris Owen Chuck Sherman
Rebecca Field Loni
Vik Sahay Prateek Duraiswamy
Louis G. Friedman Executive Producer
Vince Pisani Male Alum
Jay Scully Casting
Paul Weitz Executive Producer
Adam Herz Producer, Characters
Jon Hurwitz Director, Screenplay, Dad at Party (uncredited)
David Smith Set Decoration
Walter Hendrix III Celebrity Dance-Off Patron (uncredited)
Jen Kober Ingrid
Michael Beasley Reggie
Michael May Stifler (13 yrs.)
Ashley Rae Riddick Stunt Double
Autumn Dial Alexa
William Arnold Production Design
Chris Moore Producer
Jenna Willis Computer (voice)
Hayden Schlossberg Screenplay, Director
Jesse Malinowski Kyle
Justin Isfeld Justin
Brian Mahoney Police Officer
Jennifer Sun Bell Madison
Hart Turner Reed
Benjamin Arthur Chester
Chuck Hittinger AJ
Craig Perry Producer
Jeff Betancourt Editor
Matt Mangum Adam
Kim Wall Kara's Mom
Sarah Carter Set Decoration Buyer
Helenna Santos Oz Fan
John Jason Bailey Random Alumni
Elliott Glick Art Direction
Daryn Okada Director of Photography
Terri James Female Alum
Julian Andraus First Assistant Editor
Warren Zide Producer
Steve Apicella First Assistant Director
Dottie Starling Visual Effects Supervisor
Angela Leus Music Supervisor
Jeremy Ambler MILF Guy at Bar (uncredited)
Mona May Costume Design
Raheem Babalola Deshaun
Pam Green Ali
Chad Johnson Chad Ochocinco