Alex Pettyfer

Kyle Kingson

Vanessa Hudgens

Lindy Taylor

Mary-Kate Olsen

Kendra Hilferty

LisaGay Hamilton

Zola Davies

Neil Patrick Harris

Will Fratalli

Dakota Johnson

Sloan Hagen

Erik Knudsen

Trey Madison

Peter Krause

Rob Kingson

David Francis

Dr. Davis

Gio Perez

Victor Barrel

Karl Graboshas

Male Teacher

Jonathan Dubsky

Student at Green Party

Rhiannon Moller-Trotter

Halloween Partygoer

Miguel Mendoza

Victor's Brother

Roc LaFortune

Lindy's Father

Steve Godin

Junkie

Justin Bradley

Student

Julie Dretzin

Rob's Assistant

Mia Doran

Student (uncredited)

Devin Mroz

Student (uncredited)

Cristina Franco

Shopper (uncredited)