 | Jason Biggs als Jim Levenstein |
 | Thomas Ian Nicholas als Kevin Myers |
 | Chris Klein als Chris 'Oz' Ostreicher |
 | Seann William Scott als Steve Stifler |
 | Eddie Kaye Thomas als Paul Finch |
 | Alyson Hannigan als Michelle Flaherty |
 | Shannon Elizabeth als Nadia |
 | Tara Reid als Vicky Lathum |
 | Mena Suvari als Heather |
 | Natasha Lyonne als Jessica |
 | Chris Owen als Chuck Sherman |
 | Eugene Levy als Jim's Dad |
 | Molly Cheek als Jim's Mom |
 | Denise Faye als Danielle |
 | Lisa Arturo als Amber |
 | John Cho als John |
 | Justin Isfeld als Justin |
 | Eli Marienthal als Matt Stifler |
 | Casey Affleck als Tom Myers |
 | George Wyner als Camp Director |
 | Steven Shenbaum als Counselor |
| Matthew Peters als Trumpet Kid |
 | Joelle Carter als Natalie |
 | Matthew Frauman als R.A. |
 | Larry Drake als Natalie's Dad |
 | Lee Garlington als Natalie's Mom |
 | Tsianina Joelson als Amy |
 | Bree Turner als Amy's Friend |
 | Lacey Beeman als Amy's Friend |
| Lisa Gould als Woman in Bed |
 | Brian Lester als Grand Harbor Sheriff |
 | Nigel Gibbs als Cop |
 | Ernie Lively als Sergeant |
 | Kevin Cooney als Doctor |
 | Marilyn Brett als Bus Driver Lady |
 | Morgan Nagler als Michelle's Friend |
 | Jack Wallace als Enthusiastic Guy |
 | Jesse Heiman als Petey |
 | JoAnna Garcia als Christy (as Joanna Garcia) |
 | Serah D'Laine als Girl at Party (as Sarah Laine) |
 | Nora Zehetner als Girl at Party |
| David Smigelski als High School Guy |
 | Luke Edwards als High School Guy |
 | Adam Brody als High School Guy |
| Amanda Armato als Cowboy Hat Girl |
 | Nancy Stone als Mom |
 | Kevin Kilner als Dad |
 | Cole Petersen als Kid |
 | Paityn James als Female EMT |
 | Brian Turk als Trucker |
 | Mike Erwin als Cashier |
 | Robert Peters als Grill Guy |
| Amara Balthrop-Lewis als Deputy |
 | Jay Rossi als Deputy |
 | Joseph D. Reitman als Male EMT |
 | Adam Herz als Younger Business Suit |
 | J.B. Rogers als Older Business Suit |
 | Brett Shuttleworth als Abercrombie & Fitch Guy |
 | Amanda Wilmshurst als Finch Girl |
 | Devon Davidson als Finch Girl (as Devon Jackson) |
 | Daniel Spink als Boy with Monkey |
| Tamia Richmond als Party Girl |
| Rachel Blasko als Amy's Friend |
 | Laurie Reeves als College Party Girl |
| Derrick Harper als Counselor |
| Kelley Schneider als Female Deputy |
 | Dan Andreiu als Beach Party Animal (uncredited) |
 | Hallie Bird als Girl at Party (uncredited) |
| Jane Bordeaux als Party Girl (uncredited) |
 | Nicole Brunner als Party Guest (uncredited) |
 | Christina Cindrich als Jello-Shot Girl (uncredited) |
| Don "Tex" Clark als Police Officer (uncredited) |
 | Curt Clendenin als Bystander at Stoplight (uncredited) |
 | Tony Collucci als Guy on Beach (uncredited) |
 | Jennifer Coolidge als Stifler's Mom (uncredited) |
 | April Florio als Girl at Party (uncredited) |
 | Marc S. Gordon als Johnny C. (uncredited) |
 | Victoria Gray als Girl at Party (uncredited) |
 | Phil Hawn als College Professor (uncredited) |
 | Enrique Hernandez als BackGround / Extra (uncredited) |
 | Matt Hobbie als Tasteless Shopper (uncredited) |
 | Spencer Kayden als Thrift Store Shopper (uncredited) |
 | Meagan Adele Lopez als Thrift Store Employee (uncredited) |
 | Sandra Luesse als Girl at Party (uncredited) |
| Christie McNew als College Student (uncredited) |
| Daniel Pipersky als Band Camp Member (uncredited) |
 | Tara Rice als Amy's Friend (uncredited) |
 | Marco Sanchez als Marco (uncredited) |
| Elaine Szupello als Band Camp Extra (uncredited) |
 | Jason Tatum als Boy at Party (uncredited) |
| Tadpole Triplett als High School Guy (uncredited) |
 | Clyde Tull als Tourist (uncredited) |
| Robert Warnack als Band Camp Extra (uncredited) |
 | Bryan C. Watkins als Stifler's Friend (uncredited) |
 | Don Yesso als Man in Crowd (uncredited |
| Steven Paul Zsenyuk als New York Cabbie (uncredited) |
| Adam Herz | Screenplay |
| J.B. Rogers | Director |
| David Lawrence | Original Music Composer |
| Chris Moore | Producer |
| David H. Steinberg | Story |
| Chris Bender | Co-Producer |
| Jane Bartelme | Co-Producer |
| Craig Perry | Producer |
| Chris Weitz | Executive Producer |
| Mark Irwin | Director of Photography |
| Larry Madaras | Editor |
| Stuart H. Pappé | Editor |
| Warren Zide | Producer |
| Stefanie Franke | Associate Producer |
| Michelle Morris | Casting |
| Adam Herz | Executive Producer |
| Paul Weitz | Executive Producer |
| Joseph Middleton | Casting |
| Lonnie Johnson | Set Medic |
| Eric J. Goldstein | Camera Operator |
| Arnaud Gauthier | Additional Music |
| Karen Agresti | Set Decoration |
| Mark Van Loon | Steadicam Operator |
| Vivian Zink | Still Photographer |
| John Catron | Production Accountant |
| Charles Martin Inouye | Music Editor |
| Chris Ervin | Driver |
| David Lawrence | Orchestrator |
| Jeff Plauster | Propmaker |
| Christopher Guyer | Video Assist Operator |
| John W. Yowler | Gaffer |
| Lon Caracappa | Rigging Gaffer |
| Mark David Kersey | Greensman |
| France Myung Fagin | Location Scout |
| C.J. Hakeem | Craft Service |
| Brian Avery | Stunts |
| Deborah Simmrin | Publicist |
| John Stone | Construction Coordinator |
| Gabrielle Wallack | Production Coordinator |
| Kitty Doris-Bates | Art Direction |
| Alexandra Welker | Costume Design |
| Wendy Martin | Hairstylist |
| Deborah Laub | Location Manager |
| Leslie A. Sebert | Makeup Department Head |
| Archie Hankins | Carpenter |
| Jeremiah Kent | Set Production Assistant |
| Melissa Remenarich | First Assistant Editor |
| Dena Berman | Casting Associate |
| Richard LeGrand Jr. | Sound Editor |
| Chris Carpenter | Sound Re-Recording Mixer |
| Drew Kinney | Set Designer |
| Gary Katsuya Ushino | First Assistant Camera |
| Cyril O'Neil | Picture Car Coordinator |
| Alan E. Lorimer | Special Effects Coordinator |
| Jonathon 'Earl' Stein | Sound mixer |
| Lloyd Lee Barnett | Digital Compositors |
| Randy Kutcher | Rigging Grip |
| Richard Toyon | Production Design |
| Ryan Keating | Stand In |
| Keith D. Fisher | Transportation Captain |
| Don Poole | Transportation Co-Captain |
| Ed Bernstein | Electrician |
| Gary Jones | Music Supervisor |
| Derrick Harper | Painter |
| Andy Friend | Production Illustrator |
| Derrick Harper | Standby Painter |
| Matvey Shatz | Color Timer |
| Frank Cuomo | Post Production Supervisor |
| Brad Martin | Stunt Coordinator |
| Aaron Skalka | Transportation Coordinator |
| Richard Malzahn | Visual Effects Producer |
| Samantha Bahramian | Lighting Technician |
| Brent Brewington | Boom Operator |
| Richard LeGrand Jr. | Supervising Sound Editor |
| Michael Gagliano | Editorial Production Assistant |
| David Swope | Costume Supervisor |
| Roxy D'Alonzo | Makeup Artist |
| Sarah de Sa Rego | Post Production Assistant |
| Sherry Gallarneau | Script Supervisor |
| Wayne Rose | Special Effects Supervisor |
| Amanda Evans | Art Department Coordinator |
| Vicky Phillips | Hair Department Head |
| Jeff Barco | Best Boy Electric |
| Daniel M. Stillman | Unit Production Manager |
| Marco Black | First Assistant Director |
| Douglas S. Johnson | Camera Loader |
| Marilyn Graf | Foley Editor |
| Mary Nelson-Duerrstein | Negative Cutter |
| Stephen V. Johnson | Second Assistant Director |
| Darryl Humber | Dolly Grip |
| Bob McNabb | ADR Supervisor |
| Samuel Webb | Assistant Sound Editor |
| Jay Johnson | Title Designer |
| Norval D. Crutcher III | ADR Editor |
| Mark Andresen | Set Dresser |
| Kendra Carter | Casting Assistant |
| Ray McCort | Pilot |
| Kate Kelly | Assistant Production Coordinator |
| David Clark | Assistant Property Master |
| Matthew H. O'Connor | Marine Coordinator |
| Caitlin McKenna | ADR Voice Casting |
| Lee Gilmore | Apprentice Sound Editor |
| Jeanette Browning | ADR Recordist |
| Ted Bayard | Assistant Location Manager |
| John Warner | Key Rigging Grip |
| Rick Barker | Second Unit Director |
| Tom Connell | Best Boy Grip |
| Joely Upchurch | Assistant Makeup Artist |
| Jeffrey Hefner | Utility Sound |
| Mark J. Coyne | Second Assistant Camera |
| Terri Greening | Accountant |
| Elizabeth Bartolotta-Clark | Assistant Accountant |
| Patrick Corcoran | Executive Assistant |
| Michelene Mundo | Second Second Assistant Director |
| Jojo Villanueva | Music Coordinator |
| Melissa House | Other |
| Mark Mayer | Payroll Accountant |
| Stacee E. Depalo | Production Secretary |
| Rene Clark | Rotoscoping Artist |
| Justin Bourret | Assistant Editor |
| Egor Davidoff | Additional Second Assistant Camera |
| Jason Altieri | Production Assistant |
| Julie Lynn Ebin | Costumer |
| Dylan A. Flores | ADR Mixer |
| Linda Lew | Foley Recordist |
| Dave Lee | Colorist |
| David Harari | Art Department Production Assistant |
| Kevin Kennedy | Key Grip |
| Walter Spencer | Dialogue Editor |
| Scott Buckwald | Property Master |
| Michelle Branch | Musician |
| Clay Cullen | Stunts |
| Darrin Prescott | Stunts |
| Bill Meadows | Sound Recordist |
