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, and the RTÉ drama Love/Hate. He also played Druig in Eternals and the Joker in The Batman.
The story of the Dark Knight is dark and character-driven, exploring the tortured psychology of Bruce Wayne. His alter-ego, Batman, is a vigilante dedicated to protecting the citizens of Gotham City, which is overrun by organized crime and other dangerous individuals manipulating the system.