Ok Taec-yeon, known mononymously as Taecyeon, is a South Korean rapper, singer, songwriter, actor, and entrepreneur. He is the main rapper of the South Korean boy group 2PM.In 2010, Taecyeon debuted as an actor in the Korean drama Cinderella's Sister and since then has starred in Dream High, Who Are You?, Wonderful Days, Assembly, Let's Fight, Ghost, and Save Me, as well as the movies Marriage Blue and House of the Disappeared.