Jang Yun-bok is a third-year medical student, later intern and Hong-do's twin sister.
Appearances
Hospital Playlist
Guest cast, played by Jo Yi Hyun
- Episode 1x02: Episode 2 (Mar 19, 2020)
- Episode 1x03: Episode 3 (Mar 26, 2020)
- Episode 1x04: Episode 4 (Apr 2, 2020)
- Episode 1x05: Episode 5 (Apr 9, 2020)
- Episode 1x06: Episode 6 (Apr 16, 2020)
- Episode 1x07: Episode 7 (Apr 23, 2020)
- Episode 1x09: Episode 9 (May 7, 2020)
- Episode 1x11: Episode 11 (May 21, 2020)
- Episode 1x12: Episode 12 (May 28, 2020)
- Episode 2x01: Episode 1 (Jun 17, 2021)
- Episode 2x02: Episode 2 (Jun 24, 2021)
- Episode 2x03: Episode 3 (Jul 1, 2021)