Cady Heron
Regina George
Janis ʻImiʻike
Damian Hubbard
Karen Shetty
Gretchen Wieners
Aaron Samuels
Mrs. Heron
Mrs. George
Ms. Norbury
Mr. Duvall
Mathletes Quizmaster
Coach Carr
Madame Park
Mr. Rapp
Kevin Ganatra
Jason Weems
Shane Oman
Megan Thee Stallion
Jacob Zheng
Matthew Richmond
Sonja Aquino
Grace Porter
Rachel Hamilton
Taylor Wedell / Core Dancer
Caitlyn Caussin
Christian Wiggins
Lizzie Thurman
Dawn Schweitzer
Sophie Kawachi
Caroline Krafft
M. Obo
V. Bowling
S. Martin
Teary Girl
Tiny Boy
Rude Girl
Burnout Friend
Theater Boy
Band Freak
Choir Girl
North Shore Student
Longboarder
Teacher
Social Media Friend
Marching Band
Core Dancer
Dancer
North Shore Student (uncredited)