Sportschosun

Woo Do-hwan, played by Bi Kyong-yun, the younger brother of Bi Ki Taek and lieutenant colonel in the Security Service, delivering a compelling performance.

After the series finale, Woo Do-hwan told Sports Chosun, who reported this story firstly, quote, "It's been less than half a year since filming wrapped, and I still feel a sense of longing.

I met with seniors and the directors frequently, even recently, and many good memories remain.

After filming Master, it's been a long time since I worked with so many seniors in one project for over a decade.