Erika Henningsen (Cady Heron), Taylor Louderman (Regina George), Ashley Park (Gretchen Wieners), Kate Rockwell (Karen Smith), Barrett Wilbert Weed (Janis Sarkisian), Grey Henson (Damian Hubbard), Kyle Selig (Aaron Samuels), Cheech Manohar (Kevin Gnapoor), Kerry Butler (Mrs. Heron/Ms. Norbury/Mrs. George), Rick Younger (Principal Duvall), Iain Young (s/w Mr. Heron)