Erika Henningsen (Cady Heron), Ashley De La Rosa (s/b Regina George), Krystina Alabado (Gretchen Wieners), Kate Rockwell (Karen Smith), Barrett Wilbert Weed (Janis Sarkisian), Brendon Stimson (u/s Damian Hubbard), Kyle Selig (Aaron Samuels), Cheech Manohar (Kevin Gnapoor), Jennifer Simard (Mrs. Heron/Ms. Norbury/Mrs. George), Rick Younger (Principal Duvall), Iain Young (s/w Mr. Heron), Ixchel Cuellar (s/w Dawn Schweitzer), Chris Medlin (s/w Christian Wiggins), Brittany Nicholas (s/w Taylor Wedell)