Cast Credits My Country (2019) Guest starring as Sun Ho's Mother (2 episodes) Episode 1x07: Episode 7 (Oct 25, 2019) Episode 1x04: Episode 4 (Oct 12, 2019) Women's Secret (2016) Starring as Chae Seo Rin Glass Mask (2012) Starring as Kang Seo Yun Late Blossom (2012) Starring as Kim Yun Ah