- as Cady Heron
- as Regina George
- as Gretchen Wieners
- as Karen Smith
- as Janis Ian
- as Cady's Mom
- as Ms. Norbury
- as Mrs. George
- as Damian
- as Cady's Dad
- as Aaron Samuels
- as Mr. Duvall
- as Kevin Gnapoor
- as Spelling Girl
- as Homeschooled Boy
- as Homeschooled Boy
- as Homeschooled Boy
- as African Warrior
- as Kristen Hadley
- as Kristen's Boyfriend
- as 'Farting' Guy
- as Michigan Girl
- as Chemistry Teacher
- as English Teacher
- as History Teacher
- as Music Teacher
- as German Teacher
- as Trang Pak
- as Sun Jin Dinh
- as Jason
- as Lea Edwards
- as Huge Guy
- as Coach Carr
- as Shane Oman
- as Emma Gerber
- as Mathlete Tim Pak
- as Amber D'Alessio
- as Giselle Sgro
- as Jessica Lopez
- as Bethany Byrd
- as Short Girl
- as Cady 5 Years Old
- as Nfume
- as Animal Dancer
- as Animal Dancer
- as Animal Dancer
- as Animal Dancer
- as Taylor Wedell
- as Taylor Wedell's Mom
- as Kylie George
- as Dawn Schweitzer
- as Mr. George
- as Kissing Girl
- as Kissing Girl
- as Joan the Secretary
- as Salesperson
- as Skater Girl
- as Skater Girl
- as Jock Girl
- as Crying Girl
- as Marymount Captain
- as Caroline Krafft
- as Mathlete Moderator
- as Junior Plastic
- as Junior Plastic
- as Junior Plastic
- as Student in Hall (uncredited)
- as Background (uncredited)
- as Wannabe (uncredited)
- as Kid in Classroom (uncredited)
- as Halloween Army Girl (uncredited)
- as Student (uncredited)
- as Teenager (uncredited)
- as Glenn Cocoo (uncredited)
- as Kissing Couple (uncredited)
Watch "Mean Girls":