Cady Heron

Regina George

Janis Ian

Gretchen Wieners

Karen Smith

Damian Leigh

Aaron Samuels

Kevin Gnapoor

Mr. Duvall

Ms. Norbury

Cady's Mom

Cady's Dad

Mrs. George

Trang Pak

Coach Carr

Shane Oman

Taylor Wedell

Mrs. Wedell

Kristen Hadley

Spelling Girl

Homeschooled Boy

Homeschooled Boy

Homeschooled Boy

African Warrior

Kristen Hadley's Boyfriend

Farting Guy

Sun Jin Dinh

Michigan Girl

Chemistry Teacher

English Teacher

History Teacher

Music Teacher

German Teacher

Jason

Lea Edwards

Huge Guy

Emma Gerber

Tim Pak

Amber D'Alessio

Giselle Sgro

Jessica Lopez

Bethany Byrd

Short Girl

Five-Year-Old Cady

Nfume

Animal Dancer

Animal Dancer

Animal Dancer

Animal Dancer

Kylie George

Dawn Schweitzer

Mr. George

Kissing Girl

Kissing Girl

Joan

Mathlete Moderator

Salesperson

Skater Girl

Skater Girl

Jock Girl

Crying Girl

Marymount Captain

Caroline Krafft

Junior Plastic

Junior Plastic

Junior Plastic

Glenn Coco (uncredited)

Wannabe (uncredited)