| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alison Reid | Crew | Crew | Stunts |
 Amanda Scheer-Demme | Crew | Sound | Music Supervisor |
Andrew Shea | Crew | Directing | First Assistant Director |
Angelo Colavecchia | Crew | Camera | Steadicam Operator, Camera Operator |
Beth Sterner | Crew | Sound | Supervising Sound Editor |
Brandt Gordon | Crew | Art | Art Direction |
Bryan Hirota | Crew | Visual Effects | Visual Effects Supervisor |
Buck Damon | Crew | Sound | Music Supervisor |
Cary White | Crew | Art | Production Design |
Christopher Sidor | Crew | Sound | Sound Recordist |
Chuck Michael | Crew | Sound | Supervising Sound Editor |
Collingwood Brown | Crew | Art | Art Department Coordinator |
 Dana E. Glauberman | Crew | Editing | Additional Editing |
Dana Kay Hart | Crew | Costume & Make-Up | Costume Supervisor |
Danielle Fleury | Crew | Art | Set Dresser |
 Danny Lima | Crew | Crew | Stunts |
 Daryn Okada | Crew | Camera | Director of Photography |
 Frank Smathers | Crew | Sound | Dialogue Editor |
Jill Sobel Messick | Crew | Production | Executive Producer |
Jim Harrison | Crew | Sound | Music Editor |
James Powers | Crew | Production | Production Manager |
Joanne T. Harwood | Crew | Directing | Script Supervisor |
John Stoneham Jr. | Crew | Crew | Stunt Coordinator |
Kim Boyle | Crew | Visual Effects | Visual Effects Producer |
Kris Cole | Crew | Editing | Assistant Editor |
Kym Kristalie | Crew | Crew | Stunts |
Lindsay Jacobs | Crew | Costume & Make-Up | Costume Supervisor |
 Lorne Michaels | Crew | Production | Producer |
Louise Rosner-Meyer | Crew | Production | Unit Production Manager, Co-Producer |
 Luis Sequeira | Crew | Costume & Make-Up | Assistant Costume Designer |
Marc Fishman | Crew | Sound | Sound Re-Recording Mixer |
 Marci Liroff | Crew | Production | Casting |
Marie-Claude Harnois | Crew | Production | Production Coordinator |
 Mark Waters | Crew | Directing | Director |
Mary Jane Fort | Crew | Costume & Make-Up | Costume Design |
Michael Gibson | Crew | Camera | Still Photographer |
Mike Szakmeister | Crew | Sound | Supervising Dialogue Editor |
Nick South | Crew | Sound | Music Editor |
Odetta Stoddard | Crew | Art | Set Decoration Buyer |
Patricia Cuccia | Crew | Art | Set Decoration |
Patrick Cyccone Jr. | Crew | Sound | Sound Re-Recording Mixer |
Rolfe Kent | Crew | Sound | Original Music Composer |
Sandra Feldman | Crew | Crew | Stunts |
Saul Saladow | Crew | Editing | First Assistant Editor |
Susan Kurtz | Crew | Sound | Dialogue Editor |
 Tina Fey | Crew | Writing | Screenplay |
Vic Radulich | Crew | Sound | ADR Editor |
Wendy Greene Bricmont | Crew | Editing | Editor |
Andrea Eisen | Crew | Crew | Studio Teacher |
Jo-Ann MacNeil | Crew | Costume & Make-Up | Makeup Artist |
Rosalind Wiseman | Crew | Writing | Novel |
Patricia Keighran | Crew | Costume & Make-Up | Makeup Artist |
Mario Cacioppo | Crew | Costume & Make-Up | Makeup Artist |
Bruce Carwardine | Crew | Sound | Sound Mixer |
Jordanna Fineberg | Crew | Costume & Make-Up | Assistant Costume Designer |
Jennifer Guinier | Crew | Production | Associate Producer |
Taryn Ash | Crew | Crew | Stunts |
Billy Oliver | Crew | Crew | Stunts |
Donna Feore | Crew | Crew | Choreographer |
Rebecca Stoneham | Crew | Crew | Stunts |
Colleen Park | Crew | Crew | Stunts |
Chauntelle Page | Crew | Crew | Stunts |
Erin Carter | Crew | Crew | Stunts |
Randi Lee Butcher | Crew | Crew | Stunts |
Laurene Boutet | Crew | Crew | Stunts |
Vlasta Racki | Crew | Crew | Stunts |
Nada Abdel-Shahid | Crew | Crew | Stunts |
Shayna Segal | Crew | Crew | Stunt Double |
Natalie Cultraro | Crew | Crew | Stunts |
 Alisha Morrison | Cast | Actress | Lea Edwards |
 Amy Poehler | Cast | Actress | Mrs. George |
 Ana Gasteyer | Cast | Actress | Cady's Mom |
 Bruce Hunter | Cast | Actor | Mathlete Moderator |
Dan Willmott | Cast | Actor | Mr. George |
 Daniel Franzese | Cast | Actor | Damian Leigh |
 David Reale | Cast | Actor | Glenn Coco (uncredited) |
 Dwayne Hill | Cast | Actor | Coach Carr |
 Eve Crawford | Cast | Actress | English Teacher |
Jack Newman | Cast | Actor | History Teacher |
Jo Chim | Cast | Actress | Salesperson |
 Jonathan Bennett | Cast | Actor | Aaron Samuels |
 Jonathan Malen | Cast | Actor | Kristen Hadley's Boyfriend |
 Julia Chantrey | Cast | Actress | Amber D'Alessio |
 Kristen Bone | Cast | Actress | Short Girl |
 Lacey Chabert | Cast | Actress | Gretchen Wieners |
 Laura de Carteret | Cast | Actress | Mrs. Wedell |
 Les Porter | Cast | Actor | Chemistry Teacher |
 Lindsay Lohan | Cast | Actress | Cady Heron |
 Lizzy Caplan | Cast | Actress | Janis Ian |
Michelyn Emelle | Cast | Actress | Music Teacher |
 Neil Flynn | Cast | Actor | Cady's Dad |
 Rachel McAdams | Cast | Actress | Regina George |
 Rajiv Surendra | Cast | Actor | Kevin Gnapoor |
 Tim Meadows | Cast | Actor | Mr. Duvall |
Tina Fey | Cast | Actress | Ms. Norbury |
Tyson Fennell | Cast | Actor | Nfume |
 Amanda Seyfried | Cast | Actress | Karen Smith |
 Diego Klattenhoff | Cast | Actor | Shane Oman |
 Erin Norah Thompson | Cast | Actress | Dawn Schweitzer |
 Jan Caruana | Cast | Actress | Emma Gerber |
 Jill Morrison | Cast | Actress | Crying Girl |
 Krysta Carter | Cast | Actress | Wannabe (uncredited) |
 Miranda Edwards | Cast | Actress | Michigan Girl |
 Stefanie Drummond | Cast | Actress | Bethany Byrd |
Tara Shelley | Cast | Actress | Junior Plastic |
Valerie Casault | Cast | Actress | Kissing Girl |
Wai Choy | Cast | Actor | Tim Pak |
 Bathsheba Garnett | Cast | Actress | German Teacher |
 Clare Preuss | Cast | Actress | Caroline Krafft |
 Ely Henry | Cast | Actor | Homeschooled Boy |
Alexandra Stapley | Cast | Actress | Taylor Wedell |
Nicole Crimi | Cast | Actress | Kylie George |
 Sharron Matthews | Cast | Actress | Joan |
 Ky Pham | Cast | Actress | Trang Pak |
 Olympia Lukis | Cast | Actress | Jessica Lopez |
 Molly Shanahan | Cast | Actress | Kristen Hadley |
Danielle Nguyen | Cast | Actress | Sun Jin Dinh |
 Daniel DeSanto | Cast | Actor | Jason |
 Chris Anton | Cast | Actor | Huge Guy |
 Elana Shilling | Cast | Actress | Spelling Girl |
Graham Kartna | Cast | Actor | Homeschooled Boy |
David Aherne | Cast | Actor | Homeschooled Boy |
Ayo Agbonkpolo | Cast | Actor | African Warrior |
Jeff Moser | Cast | Actor | Farting Guy |
Jacky Chamberlain | Cast | Actress | Giselle Sgro |
Randi Lee Butcher | Cast | Actress | Skater Girl |
Erin Jarvis | Cast | Actress | Skater Girl |
Jessie Wright | Cast | Actress | Five-Year-Old Cady |
 Jordan Dawe | Cast | Actor | Animal Dancer |
Megan Millington | Cast | Actress | Junior Plastic |
David Sazant | Cast | Actor | Marymount Captain |
Kaylen Christensen | Cast | Actress | Jock Girl |
Michelle Hoffman | Cast | Actress | Kissing Girl |
 Andreja Punkris | Cast | Actress | Animal Dancer |
Stephan Dickson | Cast | Actor | Animal Dancer |
Shannon Todd | Cast | Actress | Junior Plastic |
Noelle Boggio | Cast | Actress | Animal Dancer |
| Person | Type | Job | Role(s) |
