London Boulevardis a 2010 British film noir released in the United Kingdom on 26 November 2010. It is based on Ken Bruen 's 2001 novel of the same name , with screenplay and direction by William Monahan , marking his directorial debut.The cast features Keira Knightley , Colin Farrell , David Thewlis , Anna Friel and Ray Winstone .
Mitchell ( Colin Farrell ), a South London criminal, is released from Pentonville Prison after three years for grievous bodily harm . Determined to not be imprisoned again, Mitchell resists attempts to get him involved in the criminal enterprises of longtime friend Billy ( Ben Chaplin ).
A reclusive model and film star, Charlotte ( Keira Knightley ), is residing in a Holland Park mansion. She offers Mitchell a job as her bodyguard (keeping the paparazzi away) and handyman .
Crime boss Rob Gant ( Ray Winstone ) sees Mitchell's value and aggressively pursues him to become part of his gang.