The King and the Clown is a 2005 South Korean historical drama film starring Kam Woo-sung, Jung Jin-young, and Lee Joon-gi. It was adapted from the 2000 stage play, Yi ("You") about Yeonsangun of Joseon, a Joseon dynasty king and a court clown who mocks him. It was released on 29 December 2005, runs for 119 minutes; and distributed domestically by Cinema Service and internationally by CJ Entertainment.

Jung Jin-young is a South Korean actor. He has starred in numerous films, including Hi! Dharma!, Bunt, and The Case of Itaewon Homicide. Jung is best known for his frequent collaborations with director Lee Joon-ik, as Once Upon a Time in a Battlefield and its sequel Battlefield Heroes, The Happy Life, Sunny, and particularly for his role as King Yeonsan in the hugely successful King and the Clown.