Selena Gomez is Kylie Montgomery

Niall Horan is Ethan Charming

Vanessa Hudgens is Liana Gilbert

Dove Cameron is Jordyn Spark

Nick Robinson is Ben Mess

Zac Efron is Kevin Montgomery

Nina Dobrev is Krystal Montgomery

Gregg Sulkin is Nathaniel Roberts

Lily Collins is Spencer Montana

Victoria Justice is Courtney Cummings

Dylan O'Brien is Maximus Vex

Jensen Ackles is Brody Indigo