Erika Henningsen (Cady Heron), Taylor Louderman (Regina George), Ashley Park (Gretchen Wieners), Jonalyn Saxer (u/s Karen Smith), Barrett Wilbert Weed (Janis Sarkisian), Grey Henson (Damian Hubbard), Kyle Selig (Aaron Samuels), Cheech Manohar (Kevin Gnapoor), Jennifer Simard (Mrs. Heron/Ms. Norbury/Mrs. George), Rick Younger (Principal Duvall)