Jung Dong-geun

as Nam Sun-gyu's Secretary (1 episode)

as Military officer (1 episode)

as Park Jung Hoo (1 episode)

as Prosecutor Jeon Soo-il (2 episodes)

as Su-mi's staff (1 episode)

as Nam Hyung-wook (3 episodes)

as Maeng Jang-hyeon (16 episodes)

as Detective (1 episode)

as Prosecutor (1 episode)

as Se-ri's Surgeon (1 episode)

as Police officer (1 episode)

as Special Forces Officer (1 episode)

as Prosecutor (2 episodes)