‘Dragonfly’ Evaluation: Andrea Riseborough and Brenda Blethyn Dazzle in a Bleak British Shocker

It’s all the time dangerous to combine genres, however some motion pictures pull off the trick with extra talent than others. Dragonfly, which had its world premiere this week in Tribeca, begins as an intimate character drama, with two Oscar-nominated British actresses — Brenda Blethyn and Andrea Riseborough — on…