Barry Keoghan, born 18 October 1992, is an Irish actor. He has appeared in the films Dunkirk, The Killing of a Sacred Deer, for which he won an Irish Film and Television Award for Best Supporting Actor and was nominated for the Independent Spirit Award for Best Supporting Male, and Calm with Horses, for which he was nominated for the BAFTA Award for Best Actor in a Supporting Role. He also played Wayne, in the RTÉ drama Love/Hate.
He features in the 2019 mini-series Chernobyl. He starred in an episode of Living With Lucy in September 2019. That same month, Calm With Horses premiered at the Toronto International Film Festival. In July 2018, Keoghan was cast as lead character Yorick Brown in the pilot of Y: The Last Man, but exited the main series production in February 2020. Keoghan played Druig in the Marvel Cinematic Universe film Eternals in November 2021. He also appeared in The Green Knight.