Katie, a college freshman, has been groomed from birth to continue her mother’s legacy with the Deltas. When Katie decides to pledge another house instead, an all-out sorority war commences.
| Actor | Role |
|---|---|
 Lucy HaleKatie Parker | Katie Parker |
 Courtney Thorne-SmithLutie | Lutie |
 Amanda SchullGwen | Gwen |
 Phoebe StroleSara Snow | Sara Snow |
 Kristen HagerHeather | Heather |
 Rob MayesBeau | Beau |
 Adrian HoughWilliam | William |
 Marie AvgeropoulosMissy | Missy |
 Chelan SimmonsCasadee | Casadee |
 Faith FordSummer | Summer |
 Christine WillesMary Lee Snow | Mary Lee Snow |
 Charles SiegelEmcee | Emcee |
 Catherine Lough HaggquistHillary | Hillary |
 Stephanie BeldingTri-Crown Emcee | Tri-Crown Emcee |
 Matt WardDeacon | Deacon |
 Scott LysterP.J. | P.J. |
| MMeredith BaileySally | Sally |
 Diana BangLauren | Lauren |
 Andrea BrooksShawna | Shawna |