Yoo Hae-jin is a South Korean actor. After graduating with a Theater degree from Seoul Institute of the Arts, he became a member of Theater troupe The Mokwha Repertoire Company. He has established himself as one of the top actors in the country, playing both supporting and lead roles.

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.