According to the Hollywood Reporter Keira Knightley and Colin Farrell have joined the cast of “London Boulevard”, the directorial debut of Oscar winning writer William Monahan (“The Departed”, “Body of Lies”).

Already cast in the film are David Thewlis, Anna Friel, Ben Chaplin and Ray Winstone.

“London Boulevard” is being adapted from Ken Bruen’s novel of the same name about a criminal in London who’s just been released from prison and becomes involved with a young actress.

Filming began in London this week for release sometime in 2010. Knightley can last been seen in “The Duchess”, has just finished filming “Last Night” and “Never Let Me Go” and is currently working on this film and “The Beautiful and the Damned”.

Ferrell will next be seen starring with Johnny Depp, Jude Law, Christopher Plummer and the late Heath Ledger in “The Imaginarium of Doctor Parnassus” due out on September 4.