Rachel McAdams (Regina George):
Fun fact: Rachel is allergic to horses.
Lacey Chabert (Gretchen Wieners):
Fun fact: Lacey ranked No. 45 on Maxim's "Hot 100" of 2014 list.
Amanda Seyfried (Karen Smith):
Fun fact: Amanda began modeling at age 11.
Lizzy Caplan (Janice Ian):
Fun fact: Lizzie has a cat named Lisa Turtle.
Daniel Franzese (Damian):
Fun fact: Daniel received a Carbonell Award nomination for Best Supporting Actor in a Musical for his role as Harry in A Tree Grows in Brooklyn.
Jonathan Bennett (Aaron Samuels):
Fun fact: Jonathan teaches spin classes at Flywheel in Los Angeles.
Rajiv Surendra (Kevin G):
Fun fact: Rajiv's last acting role was in the short film 6 Ft. in 7 Min.
Tina Fey (Ms. Norbury):
Fun fact: Tina was the youngest recipient of the Mark Twain Prize.
David Reale (Glen Coco):
Fun fact: David voiced anime character Kai on the show Beyblade.
Tim Meadows (Mr. Duvall):
Fun fact: Tim is currently on the TV series Marry Me, where he plays the role of Kevin One.
Amy Poehler (Mrs. George):
Fun fact: Amy is a fan of the rap group Bone Thugs n Harmony.
Lindsay Lohan (Cady Heron):
Fun fact: Lindsay Lohan has tried to pursue a career in DJ'ing before.