琳赛·洛翰
Lindsay Lohan
饰：凯蒂·荷伦 Cady Heron
莱西·沙伯特
Lacey Chabert
饰：葛蕾琴·温娜丝 Gretchen Wieners
瑞秋·麦克亚当斯
Rachel McAdams
饰：蕾吉娜·乔治 Regina George
蒂娜·菲
Tina Fey
饰：雪伦·诺柏里 Sharon Norbury, Math Teacher
艾米·波勒
Amy Poehler
饰：乔治太太 Mrs. George
阿曼达·塞弗里德
Amanda Seyfried
饰：凯伦·史密斯 Karen Smith
丽兹·卡潘
Lizzy Caplan
饰：珍妮丝·依恩 Janis Ian
丹尼尔·弗兰泽兹
Daniel Franzese
饰：达米安 Damian
乔纳森·本内特
Jonathan Bennett
饰：亚伦·山谬斯 Aaron Samuels
劳拉·德卡特瑞特
Laura de Carteret
饰：泰勒妈妈 Taylor Wedell's Mom
蒂姆·麦道斯
Tim Meadows
饰：朗·杜瓦 Principal Ronald Duvall
安娜·盖斯泰尔
Ana Gasteyer
饰：贝西·荷伦 Betsy Heron, Cady's Mom
尼尔·福林
Neil Flynn
饰：奇普·荷伦 Chip Heron, Cady's Dad
Graham Kartna
饰：Homeschooled Boy
伊兰娜·希林
Elana Shilling
饰：Spelling Girl
克里斯·布洛克莱茵斯基
Chris Ploszczansky
饰：Huge Guy
乔纳森·马伦
Jonathan Malen
饰：Kristen's Boyfriend
迪亚哥·克莱特霍夫
Diego Klattenhoff
饰：Shane Oman
丹尼尔·迪桑图
Daniel DeSanto
饰：Jason
Eve Crawford
Eve Crawford
饰：English Teacher
杰克·纽曼
Jack Newman
饰：History Teacher
Jeff Moser
饰：'Farting' Guy
Les Porter
Les Porter
饰：Chemistry Teacher
Kristen Bone
饰：Short Girl
阿丽莎·莫里森
Alisha Morrison
饰：Lea Edwards
茱莉亚·钱特利
Julia Chantrey
饰：Amber D'Alessio
Dwayne Hill
Dwayne Hill
饰：Coach Carr
Michelyn Emelle
Michelyn Emelle
饰：Music Teacher
Wai Choy
饰：Mathlete Tim Pak
芭丝谢芭·加内特
Bathsheba Garnett
饰：German Teacher
Jan Caruana
Jan Caruana
饰：Emma Gerber
David Aherne
David Aherne
饰：Homeschooled Boy
伊利·亨利
Ely Henry
饰：Homeschooled Boy
Rajiv Surendra
Rajiv Surendra
饰：Kevin Gnapoor
吉尔·莫里森
Jill Morrison
饰：Crying Girl
Bruce Hunter
Bruce Hunter
饰：Mathlete Moderator
Dan Willmott
Dan Willmott
饰：Mr. George
Clare Preuss
饰：Caroline Krafft
Jo Chim
Jo Chim
饰：Salesperson
Sharron Matthews
饰：Joan the Secretary
David Sazant
饰：Marymount Captain
Noelle Boggio
Noelle Boggio
饰：Animal Dancer
Andreja Punkris
Andreja Punkris
饰：Animal Dancer
Tyson Fennell
Tyson Fennell
饰：Nfume
Jessie Wright
Jessie Wright
饰：Cady 5 Years Old
Stefanie Drummond
Stefanie Drummond
饰：Bethany Byrd
Olympia Lukis
Olympia Lukis
饰：Jessica Lopez
Jacky Chamberlain
Jacky Chamberlain
饰：Giselle Sgro
Danielle Nguyen
Danielle Nguyen
饰：Sun Jin Dinh
米兰达·爱德华兹
Miranda Edwards
饰：Michigan Girl
Molly Shanahan
Molly Shanahan
饰：Kristen Hadley
Ayo Agbonkpolo
Ayo Agbonkpolo
饰：African Warrior
Nicholas A. Catalano
饰：Kid in Classroom (uncredited)
茜玛·费舍尔
Sima Fisher
饰：Halloween Army Girl (uncredited)
Talia Russo
饰：Kissing Couple (uncredited)
Krysta Carter
饰：Wannabe (uncredited)
Shannon Todd
饰：Junior Plastic
Tara Shelley
饰：Junior Plastic
Megan Millington
Megan Millington
饰：Junior Plastic
Kaylen Christensen
饰：Jock Girl
Erin Jarvis
Erin Jarvis
饰：Skater Girl
Randi Lee Butcher
Randi Lee Butcher
饰：Skater Girl
Valerie Casault
Valerie Casault
饰：Kissing Girl
Michelle Hoffman
Michelle Hoffman
饰：Kissing Girl
Erin Thompson
Erin Thompson
饰：Dawn Schweitzer
Nicole Crimi
饰：Kylie George
Alexandra Stapley
Alexandra Stapley
饰：Taylor Wedell
Jordan Dawe
Jordan Dawe
饰：Animal Dancer
Lucila Grzetic
饰：Teenager (uncredited)
John Gadsden
饰：Student (uncredited)
Stephan Dixon
Stephan Dixon
饰：Animal Dancer
Ky Pham
Ky Pham
饰：Trang Pak
Darryl Armstrong
饰：Background
A.J. Chang
饰：Asian Nerd
大卫·瑞勒
David Reale
饰：Glenn Coco
戴文·博斯蒂克
Devon Bostick