Jason Biggs as Jim Levenstein

Thomas Ian Nicholas as Kevin Myers

Chris Klein as Chris 'Oz' Ostreicher

Seann William Scott as Steve Stifler

Eddie Kaye Thomas as Paul Finch

Alyson Hannigan as Michelle Flaherty

Shannon Elizabeth as Nadia

Tara Reid as Vicky Lathum

Mena Suvari as Heather

Natasha Lyonne as Jessica

Chris Owen as Chuck Sherman

Eugene Levy as Jim's Dad

Molly Cheek as Jim's Mom

Denise Faye as Danielle

Lisa Arturo as Amber

John Cho as John

Justin Isfeld as Justin

Eli Marienthal as Matt Stifler

Casey Affleck as Tom Myers

George Wyner as Camp Director

Steven Shenbaum as Counselor

Matthew Peters as Trumpet Kid

Joelle Carter as Natalie

Matthew Frauman as R.A.

Larry Drake as Natalie's Dad

Lee Garlington as Natalie's Mom

Tsianina Joelson as Amy

Bree Turner as Amy's Friend

Lacey Beeman as Amy's Friend

Lisa Gould as Woman in Bed

Brian Lester as Grand Harbor Sheriff

Nigel Gibbs as Cop

Ernie Lively as Sergeant

Kevin Cooney as Doctor

Marilyn Brett as Bus Driver Lady

Morgan Nagler as Michelle's Friend

Jack Wallace as Enthusiastic Guy

Jesse Heiman as Petey

JoAnna Garcia Swisher as Christy

Serah D'Laine as Girl at Party

Nora Zehetner as Girl at Party

David Smigelski as High School Guy

Luke Edwards as High School Guy

Adam Brody as High School Guy

Amanda Armato as Cowboy Hat Girl

Nancy Stone as Mom

Kevin Kilner as Dad

Cole Petersen as Kid

Paityn James as Female EMT

Brian Turk as Trucker

Mike Erwin as Cashier

Robert Peters as Grill Guy

Amara Balthrop-Lewis as Deputy

Jay Rossi as Deputy

Joseph D. Reitman as Male EMT

Adam Herz as Younger Business Suit

J.B. Rogers as Older Business Suit

Brett Shuttleworth as Abercrombie & Fitch Guy

Amanda Wilmshurst as Finch Girl

Devon Davidson as Finch Girl

Daniel Spink as Boy with Monkey

Tamia Richmond as Party Girl

Rachel Blasko as Amy's Friend

Laurie Reeves as College Party Girl

Derrick Harper as Counselor

Kelley Schneider as Female Deputy

Hallie Bird as Girl at Party (uncredited)

Nicole Brunner as Party Guest (uncredited)

Christina Cindrich as Jello-Shot Girl (uncredited)

Curt Clendenin as Bystander at Stoplight (uncredited)

Tony Collucci as Guy on Beach (uncredited)

Jennifer Coolidge as Stifler's Mom (uncredited)

April Florio as Girl at Party (uncredited)

Phil Hawn as College Professor (uncredited)

Matt Hobbie as Tasteless Shopper (uncredited)

Spencer Kayden as Thrift Store Shopper (uncredited)

Sandra Luesse as Girl at Party (uncredited)

Tara Rice as Amy's Friend (uncredited)

Marco Sanchez as Marco (uncredited)

Tadpole Triplett as High School Guy (uncredited)

Clyde Tull as Tourist (uncredited)

Bryan C. Watkins as Stifler's Friend (uncredited)

Don Yesso as Man in Crowd (uncredited