Acting · b. 1991 Maeng Se-chang Biography Maenge Se-chang (맹세창) is a South Korean actor and singer. Acting The Land on the Waves Do-jin 2019 Soldier's Mementos 2018 Su Saek Yoon-suk 2016 Ode to My Father Korean Mine Worker 2014 Diary of June Jang Joon-ha 2005 Agent-readable