This thriller film directed by Mathew Cullen includes a cast member who is an English fashion model and actress who signed with Storm Model Management after doing what in 2009? 
London Fields (film): London Fields is a thriller film directed by Mathew Cullen and written by Roberta Hanley. London Fields (film):  The cast also includes Amber Heard, Jim Sturgess, Theo James, Johnny Depp, Cara Delevingne and Jaimie Alexander. Cara Delevingne: Cara Jocelyn Delevingne ( ; born 12 August 1992) is an English fashion model and actress. Cara Delevingne:  She signed with Storm Model Management after leaving school in 2009.
leaving school