Diabolical, coldblooded, racist, horrifying. Not the sort of qualities you associate with Sir Patrick Stewart, a global darling for his wise, kindly roles in “Star Trek” and “X-Men.” But being cast against type is just what he wanted when he signed on as the clever, regal villain of writer/director Jeremy Saulnier’s punishing thriller “Green Room.” A thinking person’s fright film, it caused quite a stir at the Cannes and Sundance film festivals.Read more on NewsOK.com