Barry Keoghan: Barry Keoghan. Actor: The Killing of a Sacred Deer. Barry came to prominence in the 2017 film 'The Killing of a Sacred Deer' with his truly terrifying portrayal of Martin, an American teenager exacting a grisly revenge on drunken surgeon Colin Farrell, but he was neither an American nor a teenager. Born in Dublin on 17th October 1992, he has a brother named Eric. From the age of thirteen he...
