Black Mass (2015) is a Drama, Crime, History film that follows the true story of Whitey Bulger, the brother of a state senator and the most infamous violent criminal in the history of South Boston, who became an FBI informant to take down a Mafia family invading his turf. Currently, you can watch Black Mass on Amazon Video, Apple TV Store, Google Play Movies, YouTube. Streaming availability may vary by country and platform over time. It has a user rating of 6.5 out of 10 from 3,583 votes. Fans of drama movies may also want to explore similar titles below.