Jon Hurwitz Director, Screenwriter Hayden Schlossberg Director, Screenwriter Jason Biggs Jim Actor, Executive Producer Alyson Hannigan Michelle Actor Chris Klein Oz Actor Thomas Ian Nicholas Kevin Actor Tara Reid Vicky Actor Seann William Scott Stifler Actor, Executive Producer Mena Suvari Heather Actor Eddie Kaye Thomas Paul Actor Jennifer Coolidge Stifler's Mom Actor Eugene Levy Jim's Dad Actor Natasha Lyonne Jessica Actor Shannon Elizabeth Nadia Actor Dania Ramirez Selena Actor Katrina Bowden Mia Actor Jay Harrington Dr. Ron Actor Ali Cobrin Kara Actor Chuck Hittinger AJ Actor Chris Owen Sherman Actor Neil Patrick Harris Celebrity Dance-Off Host Actor Louis G. Friedman Executive Producer Paul Weitz Executive Producer Chris Weitz Executive Producer Craig Perry Producer Warren Zide Producer Chris Moore Producer Adam Herz Producer Daryn Okada Cinematographer William Arnold Production Design Jeff Betancourt Film Editing Mona May Costume Design Lyle Workman Original Music Elliott Glick Art Director David Smith Set Decoration Jay Scully Casting