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