In addition to the various trailers and TV spots, Warner Brothers Pictures has also released some featurettes for their crime drama Black Mass, which stars Johnny Depp as mob boss James “Whitey” Bulger.

Below you will find two featurettes, which include cast and crew talking about the movie. The first is titled “Becoming Bulger,” and it focuses on Depp transforming himself into Bulger. The second is titled “An Unholy Alliance,” and looks at the relationship of Bulger, the most powerful crime figure in the city of Boston, his brother Billy (Benedict Cumberbatch), the most powerful politician in the city, and FBI Agent John Connolly (Joel Edgerton).

Warner Brothers Pictures has been releasing TV spots to help promote Black Mass ahead of its arrival in theaters next month on September 18th. The movie stars Johnny Depp as Boston mobster Whitey Bulger.

You can check out a trio of those Black Mass TV spots and also read much more about the movie and who else is starring below.