Doctor Prisoner Guest cast, played by Jang Nam Boo Episode 1x02: Episode 2 (Mar 20, 2019) Episode 1x03: Episode 3 (Mar 21, 2019) Episode 1x04: Episode 4 (Mar 21, 2019) Episode 1x05: Episode 5 (Mar 27, 2019) Episode 1x07: Episode 7 (Mar 28, 2019) Episode 1x09: Episode 9 (Apr 3, 2019) Episode 1x15: Episode 15 (Apr 11, 2019)