Black Mass London Film Festival Red Carpet - Benedict Cumberbatch, Johnny Depp

Black Mass London Film Festival premiere red carpet with Benedict Cumberbatch, Johnny Depp, director Scott Cooper. Watch more Black Mass interviews, trailers & behind-the-scenes videos ► Subscribe for the hottest movie & TV clips, trailers & promos! ► Subscribe for movie reviews, exclusive interviews & comic con panels ► In 1970s South Boston, FBI Agent John Connolly (Joel Edgerton) persuades Irish mobster Jame