Willem Dafoe portrays the Joker in Batman, Justice League, Suicide Squad, Birds of Prey, Justice League: World's Finest – Part 1, Justice League: World's Finest – Part 2 and Joker and Harley: King and Queen. He also portrayed the character in League of Tomorrow and Infinite Crisis.
He was interviewed for the documentary DC Entertainment: A League of Its Own.
He also starred in the DC One-Shot The Man who Laughs.