Ashlyn Henson Young Loni Lipstein (uncredited)
Lyle Workman Playback Singer, Original Music Composer
Montell Jordan Playback Singer
Valarie Kobrovsky Prateek's Hot Girlfriend
Logan Van Sickle Oz (13 yrs.)
Wendy Bell Random Alumni (uncredited)
Chance Bartels Stifler's Co-Worker (uncredited)
Lyndsay Wrensen Upscale Party Guest (uncredited)
Rod C. Rich Bar Mitzvah Dad
Good Charlotte Playback Singer
Scott Ledbetter Jilly (uncredited)
Robert Hayes Bo
Brittany Lee Hellmeister Kara's Friend (uncredited)
Adam C. Johnson Party Goer (uncredited)
Joseph Kaiser Jim (13 yrs.)
Maximiliano Wissinger Finch (13 yrs.)
Elizabeth Hurwitz Baby at Party
Holly Britt Street Girl (uncredited)
Chase Krepp Kevin (13 yrs.)
Cobra Starship Playback Singer
Natalie C. Thomas Stunt Double
Brandon A. Ulman High School Beach-goer (uncredited)
Kopek Playback Singer
Zane Wind Mitch
George Christopher Bianchi Evan
Randy Hurwitz Mom at Party
Pop Levi Playback Singer
Tanner Baker Bargoer (uncredited)
Wreckx-N-Effect Playback Singer
Courtney Bowers Teen Partygoer (uncredited)
Melanie Kay Turner Female Alum (uncredited)
Alexandra Buggs Playback Singer
Karis Anderson Playback Singer
Hassahn Phenomenon Playback Singer
Courtney Rumbold Playback Singer