BorderlinersDramaBorderlinersDramathumb_upthumb_downBorderlinersAugust 12, 2021Directed byKim Si-wooThe life and music of composer and activist Jeong Yul-Seong.KRlanguage Korean content warning Last Updated: 23 days ago Request Update Cast정동화Heo Sung-tae김영만Oh Man-seok김산Hong Kyung-in