Amanda Seyfried character Anita "Needy" Lesnicki
Megan Fox character Jennifer Check
Adam Brody character Nikolai
Johnny Simmons character Chip Dove
Amy Sedaris character Toni Lesnicki
J.K. Simmons character Mr. Wroblewski
Kyle Gallner character Colin Gray
Chris Pratt character Officer Roman Duda
Juan Riedinger character Dirk
Cynthia Stevenson character Mrs. Dove
Juno Rinaldi character Officer Warzak
Carrie Genzel character Mrs. Check
Valerie Tian character Chastity
Aman Johal character Ahmet from India
Nicole Leduc character Camille Dove
Josh Emerson character Jonas Kozelle
Bill Fagerbakke character Mr. Kozelle
Marilyn Norry character Mrs. Kozelle
Lance Henriksen character Driver
Ryan Levine character Mick
Sal Cortez character Chas
Jeremy Schuetze character Craig
Adrian Hough character Mr. Gray
Gabrielle Rose character Mrs. Gray
Dan Joffre character Raymundo
Eve Harlow character Goth Girl
Genevieve Buechner character Madison
Megan Charpentier character Young Anita 'Needy' Lesnicky
Emma Gallello character Young Jennifer Check
Candus Churchill character Nutritionist
Michael Bean character Priest
Diablo Cody character Melody Lane Drinking Woman
Emily Tennant character Gossiping Girl
Dan Savoie character Fire Victim
