Black Mass is a 2015 crime drama film directed by Scott Cooper. While Benedict Cumberbatch does not have a leading role in this film, he portrays Billy Bulger, the brother of notorious gangster Whitey Bulger, played by Johnny Depp. The movie tells the true story of Whitey Bulger's rise to power as the leader of the Winter Hill Gang in Boston. Cumberbatch delivers a solid performance as the morally conflicted Billy, who is torn between his loyalty to his brother and his political career. Black Mass is a gritty and intense crime film that showcases Cumberbatch's versatility as an actor.
