Cleanskin

Cleanskin is a 2012 British spy thriller film written and directed by Hadi Hajaig and starring Sean Bean, Abhin Galeya, Charlotte Rampling, James Fox, Tuppence Middleton, Shivani Ghai and Michelle Ryan. The story is set in London. The film's title, "cleanskin", is a term for an undercover operative unknown to his or her targets, or, as more commonly used in the United Kingdom following the London bombings, an extremist with no previous convictions, so unknown to national security's services.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.