Becca Petersen (u/s Cady Heron), Reneé Rapp (Regina George), Krystina Alabado (Gretchen Wieners), Kate Rockwell (Karen Smith), Olivia Kaufmann (s/b Janis Sarkisian), Grey Henson (Damian Hubbard), Kyle Selig (Aaron Samuels), Cheech Manohar (Kevin Gnapoor), Catherine Brunell (Mrs. Heron/Ms. Norbury/Mrs. George), Rick Younger (Principal Duvall), Riza Takahashi (Sophie Kawachi), Daryl Tofa (Marwan Jitla)