Radio Star is a 2006 South Korean comedy-drama film directed by Lee Joon-ik, starring Park Joong-hoon and Ahn Sung-ki in a story about an aging, has-been rock star who, plagued by debt and run-ins with the law, unwillingly begins working as the DJ of a small radio show in the countryside, with his loyal manager of 20 years in tow.

Kim Da-hyun is a South Korean actor and singer. Kim made his entertainment debut in 1999 as the lead vocalist of the rock band Yada. Since then, he has been actively engaged in the musical theatre scene, playing lead roles in The Sorrows of Young Werther, Hedwig and the Angry Inch and La Cage aux Folles.