Lindsay Lohan
Cady Heron
Acting
Rachel McAdams
Regina George
Acting
Lizzy Caplan
Janis Ian
Acting
Lacey Chabert
Gretchen Wieners
Acting
Amanda Seyfried
Karen Smith
Acting
Daniel Franzese
Damian
Acting
Jonathan Bennett
Aaron Samuels
Acting
Rajiv Surendra
Kevin Gnapoor
Acting
Tina Fey
Ms. Norbury
Acting
Tim Meadows
Mr. Duvall
Acting
Ana Gasteyer
Cady's Mom
Acting
Neil Flynn
Cady's Dad
Acting
Amy Poehler
Mrs. George
Acting
Dwayne Hill
Coach Carr
Acting
Diego Klattenhoff
Shane Oman
Acting
Molly Shanahan
Kristen Hadley
Acting
Elana Shilling
Spelling Girl
Acting
Graham Kartna
Homeschooled Boy
Acting
Ely Henry
Homeschooled Boy
Acting
David Aherne
Homeschooled Boy
Acting
Ayo Agbonkpolo
African Warrior
Acting
Jonathan Malen
Kristen's Boyfriend
Acting
Jeff Moser
"Farting" Guy
Acting
Miranda Edwards
Michigan Girl
Acting
Les Porter
Chemistry Teacher
Acting
Eve Crawford
English Teacher
Acting
Jack Newman
History Teacher
Acting
Michelyn Emelle
Music Teacher
Acting
Bathsheba Garnett
German Teacher
Acting
Ky Pham
Trang Pak
Acting
Danielle Nguyen
Sun Jin Dinh
Acting
Daniel DeSanto
Jason
Acting
Alisha Morrison
Lea Edwards
Acting
Chris Anton
Huge Guy
Acting
Jan Caruana
Emma Gerber
Acting
Wai Choy
Mathlete Tim Pak
Acting
Julia Chantrey
Amber D'Alessio
Acting
Jacky Chamberlain
Giselle Sgro
Acting
Olympia Lukis
Jessica Lopez
Acting
Stefanie Drummond
Bethany Byrd
Acting
Kristen Bone
Short Girl
Acting
Jessie Wright
Cady 5 Years Old
Acting
Tyson Fennell
Nfume
Acting
Stephan Dickson
Animal Dancer
Acting
Andreja Punkris
Animal Dancer
Acting
Noelle Boggio
Animal Dancer
Acting
Jordan Dawe
Animal Dancer
Acting
Alexandra Stapley
Taylor Wedell
Acting
Laura de Carteret
Mrs. Wedell
Acting
Nicole Crimi
Kylie George
Acting
Erin Norah Thompson
Dawn Schweitzer
Production
Dan Willmott
Mr. George
Acting
Michelle Hoffman
Kissing Girl
Acting
Valerie Casault
Kissing Girl
Acting
Sharron Matthews
Joan the Secretary
Acting
Jo Chim
Salesperson
Acting
Randi Lee Butcher
Skater Girl
Art
Erin Jarvis
Skater Girl
Crew
Kaylen Christensen
Jock Girl
Acting
Jill Morrison
Crying Girl
Acting
David Sazant
Marymount Captain
Acting
Clare Preuss
Caroline Krafft
Acting
Bruce Hunter
Mathlete Moderator
Acting
Megan Millington
Junior Plastic
Acting
Tara Shelley
Junior Plastic
Acting
Shannon Todd
Junior Plastic
Acting
David Reale
Glenn Coco (uncredited)
Acting
Krysta Carter
Wannabe (uncredited)
Acting