The film follows the criminal career of infamous American mobster James " Whitey " Bulger ( Depp ) . Principal photography of the film began on May 19 , 2014 in Boston and wrapped on August 1 , 2014 . It had its world premiere at the 72nd Venice International Film Festival and was released by Warner Bros. worldwide on September 18 , 2015 . It received generally positive reviews and grossed $ 99 million
72nd Venice International Film Festival
72nd Venice International Film Festival
Black Mass (film)