The romance between two teenage girls quickly manifests as terrifying, violent and inexplicable.
| Actor | Role |
|---|---|
 Juno TempleDiane | Diane |
 Riley KeoughJack | Jack |
 Kylie MinogueTara | Tara |
 Cara SeymourAunt Linda | Aunt Linda |
 Lou Taylor PucciTom | Tom |
 Dane DeHaanChris | Chris |
 Michael ChernusJaimie | Jaimie |
 Neal HuffJerry | Jerry |
 Jen PontonStacy | Stacy |
 Haviland MorrisJack's Mom | Jack's Mom |
 Leo FitzpatrickJoby | Joby |
 Rock KohliCab Driver | Cab Driver |
 Zohren WeissPunk Kid | Punk Kid |
 Lena GóraKissing Girl (uncredited) | Kissing Girl (uncredited) |