Lee Jong-hyun, also known by his mononym Jonghyun, is a South Korean musician, singer-songwriter and actor. He was the former lead guitarist and vocalist of South Korean rock band CNBLUE. He made his acting debut in an omnibus movie Acoustic in 2010, followed by his television debut in the Korean drama A Gentleman's Dignity in 2012. He appeared in television dramas Orange Marmalade, Lingerie Girls’ Generation and Evergreen.