Katie Jarvis never intended to appear in movies.
The now 18-year-old highschool dropout was discovered on a scummy East London subway platform while embroiled in a venomous spat with her boyfriend. With that in mind, it is no surprise the unlikely star bursts with raw teenage malice in the role of Mia, a young and underprivileged outcast living in a disheartening British slum . . .