Sam Rockwell, Mickey Rourke and Christopher Walken are joining Colin Farrell in the black comedy Seven Psychopaths, directed and written by In Bruges helmer Martin McDonagh.

The story follows a screenwriter (Colin Farrell) struggling for inspiration for his script, Seven Psychopaths, who gets drawn into the dog kidnapping schemes of his oddball friends (Sam Rockwell and Christopher Walken). Things take a turn for the worse when a gangster's (Mickey Rourke) mutt goes missing.

No production date has been set.