Mark Waters
réalisateur
Tina Fey
scénariste
Lindsay Lohan
Cady Heron
Rachel McAdams
Regina George
Lacey Chabert
Gretchen Wieners
Amanda Seyfried
Karen Smith
Lizzy Caplan
Janis Ian
Daniel Franzese
Damian Leigh
Jonathan Bennett
Aaron Samuels
Sharon Norbury
Tim Meadows
Principal Duvall
Amy Poehler
June George
Ana Gasteyer
Betsy Heron
Neil Flynn
Chip Heron
Rajiv Surendra
Kevin Gnapoor
Elana Shilling
Spelling Girl
Graham Kartna
Homeschooled Boy
Ely Henry
David Aherne
Ayo Agbonkpolo
African Warrior
Molly Shanahan
Kristen Hadley
Jonathan Malen
Kristen Hadley's Boyfriend
Jeff Moser
Farting Guy
Miranda Edwards
Michigan Girl
Les Porter
Chemistry Teacher
Eve Crawford
English Teacher
Jack Newman
History Teacher
Michelyn Emelle
Music Teacher
Bathsheba Garnett
German Teacher
Ky Pham
Trang Pak
Danielle Nguyen
Sun Jin Dinh
Daniel DeSanto
Jason
Alisha Morrison
Lea Edwards
Chris Anton
Huge Guy
Dwayne Hill
Coach Carr
Diego Klattenhoff
Shane Oman
Jan Caruana
Emma Gerber
Wai Choy
Tim Pak
Julia Chantrey
Amber D'Alessio
Jacky Chamberlain
Giselle Sgro
Olympia Lukis
Jessica Lopez
Stefanie Drummond
Bethany Byrd
Kristen Bone
Short Girl
Jessie Wright
Five-Year-Old Cady
Tyson Fennell
Nfume
Stephan Dickson
Animal Dancer
Andreja Punkris
Noelle Boggio
Jordan Dawe
Alexandra Stapley
Taylor Wedell
Laura de Carteret
Mrs. Wedell
Nicole Crimi
Kylie George
Erin Norah Thompson
Dawn Schweitzer
Dan Willmott
Mr. George
Michelle Hoffman
Kissing Girl
Valerie Casault
Sharron Matthews
Joan
Jo Chim
Salesperson
Randi Lee Butcher
Skater Girl
Erin Jarvis
Kaylen Christensen
Jock Girl
Jill Morrison
Crying Girl
David Sazant
Marymount Captain
Clare Preuss
Caroline Krafft
Bruce Hunter
Mathlete Moderator
Megan Millington
Junior Plastic
Tara Shelley
Shannon Todd
David Reale
Glenn Coco (non-crédité)
Krysta Carter
Wannabe (non-crédité)