This film had a limited theatrical release in both the UK and US last year and was barely promoted/marketed...so, if you missed this movie, it's now available on DVD and Blu-ray for you own and watch or streamed on Netflix.
More details below via DVD Active...
Title: London Boulevard (IMDb)
Starring: Keira Knightley
Released: 21st February 2012
SRP: $30.99 (DVD)
Sony Pictures Home Entertainment has announced DVD ($30.99) and Blu-ray ($35.99) releases of London Boulevard which stars Keira Knightley, Colin Farrell, Ray Winstone, David Thewlis, and Anna Friel. Each will be available to own from February 21st. The only extra material will be a Making of London Boulevard featurette.
The package artwork is attached below:
(Source: DVD Active)
The directorial debut of William Monahan, the Oscar®-winning screenwriter of The Departed, LONDON BOULEVARD follows an ex-con trying to make a fresh start in a relationship with a reclusive actress. A sexy, stylish gangster thriller bristling with wit and brutal intrigue, London Boulevard stars Colin Farrell and Keira Knightley as star-crossed lovers who run afoul of one of London’s most vicious crime bosses.