At Which film festival does Barry Keoghan starring The Killing of a Sacred Deer film won best screenplay award in 2017?
Barry Keoghan:  He has appeared in the films "Dunkirk" along with Mark Rylance, Tom Hardy, Cillian Murphy, Kenneth Branagh, Tom Glynn-Carney; "The Killing of a Sacred Deer" with Nicole Kidman, Colin Farrell and Alicia Silverstone; and "Trespass Against Us" with Michael Fassbender and Brendan Gleeson. The Killing of a Sacred Deer:  It was selected to compete for the Palme d'Or in the main competition section at the 2017 Cannes Film Festival.
i don't know