Trailer
Cast
Krysta Carter
Wannabe (uncredited)
Nicole Crimi
Kylie George
Lacey Chabert
Gretchen Wieners
Rajiv Surendra
Kevin Gnapoor
Tina Fey
Ms. Norbury
Tim Meadows
Mr. Duvall
Daniel DeSanto
Jason
Elana Shilling
Spelling Girl
Jonathan Malen
Kristen's Boyfriend
Andreja Punkris
Animal Dancer
Amanda Seyfried
Karen Smith
Jordan Dawe
Animal Dancer
Jill Morrison
Crying Girl
Clare Preuss
Caroline Krafft
Jack Newman
History Teacher
Dan Willmott
Mr. George
Sharron Matthews
Joan the Secretary
Lindsay Lohan
Cady Heron
Daniel Franzese
Damian
Stefanie Drummond
Bethany Byrd
Erin Norah Thompson
Dawn Schweitzer
Laura de Carteret
Mrs. Wedell
Rachel McAdams
Regina George
Jonathan Bennett
Aaron Samuels
Neil Flynn
Cady's Dad
Diego Klattenhoff
Shane Oman
Miranda Edwards
Michigan Girl
Molly Shanahan
Kristen Hadley
Les Porter
Chemistry Teacher
Eve Crawford
English Teacher
Ky Pham
Trang Pak
Wai Choy
Mathlete Tim Pak
Lizzy Caplan
Janis Ian
Olympia Lukis
Jessica Lopez
Ana Gasteyer
Cady's Mom
Jan Caruana
Emma Gerber
Julia Chantrey
Amber D'Alessio
Kristen Bone
Short Girl
Chris Anton
Huge Guy
Ely Henry
Homeschooled Boy
Amy Poehler
Mrs. George
Dwayne Hill
Coach Carr
Alisha Morrison
Lea Edwards
Bruce Hunter
Mathlete Moderator
David Reale
Glenn Coco (uncredited)