Erika Henningsen (Cady Heron), Reneé Rapp (Regina George), Krystina Alabado (Gretchen Wieners), Devon Hadsell (u/s Karen Smith), Barrett Wilbert Weed (Janis Sarkisian), Iain Young (s/w Damian Hubbard), Kyle Selig (Aaron Samuels), Daryl Tofa (u/s Kevin Gnapoor), Olivia Kaufmann (s/b Mrs. Heron/Ms. Norbury/Mrs. George), Drew Redington (Mr. Heron), Teddy Toye (Coach Carr/Glen Coco/Math Moderator)