Though neither American nor a teenager, Barry Keoghan wowed audiences with his terrifying portrait of Martin - an Ohio teen exacting a cruel revenge on heart surgeon Colin Farrell - in the Yorgos Lanthimos masterpiece, The Killing of a Sacred Deer (2017). Born in Summerhill, Dublin and raised by his grandmother from age nine, Keoghan was bitten by the performing bug when he enrolled at The Factory, a fledgling drama school designed to nurture talent in the arenas of television and film. Tailgating brief
