Black Mass is a 2015 American
crime drama film directed by
Scott Cooper and written by Mark Mallouk and
Jez Butterworth, based on the 2001 book
Black Mass: The True Story of an Unholy Alliance Between the FBI and the Irish Mob by Dick Lehr and Gerard O'Neill. The film has an
ensemble cast including
Johnny Depp,
Joel Edgerton,
Benedict Cumberbatch,
Kevin Bacon,
Jesse Plemons,
Peter Sarsgaard,
Rory Cochrane,
Adam Scott,
Dakota Johnson, and
Corey Stoll.