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