Scott Cooper Explains Why Sienna Miller Was Cut From 'Black Mass'

Johnny Depp, Joel Edgerton, Benedict Cumberbatch, Jesse Plemons, Kevin Bacon, David Harbour, Dakota Johnson, Julianne Nicholson, Adam Scott, Corey Stoll, Juno Temple — Scott Cooper's "Black Mass" is not wanting in characters or stars to play them, but a movie can only hold so much, and unfortunately one had to go: the underrated and very talented Sienna Miller. So, why was she left on the cutting room floor?

“It came down to narrative choices,” the director told Boston Globe. Slated to play Bulger's latter day girlfriend Catherine Greig, who was on the run with the gangster for fifteen years after he left Boston, Cooper ultimately determined these events were not as compelling as his days knockin' skulls on the streets of Beantown. Greig helped Bulger stay underground for a long time, and while it sounds interesting to me, I'm not a moviemaker.

Perhaps we'll see the sequences she shot as deleted scenes someday on home video, and it's a shame for Miller who put in...