Chae Dong-hyeon

as Ko Min-chang (1 episode)

as Kim Gwing Pyo [Du Ryeong's subordinate] (2 episodes)

as Choi Mi Nam (1 episode)

as An Tae-ho (16 episodes)

as Heo Ju-yeong (1 episode)

as Archery Coach (1 episode)

as Kim Man-Hee (16 episodes)

as Cat caregiver (6 episodes)

as Lee Dong Yun [Prosecutor] (2 episodes)

as Choi Dong-Hoon (32 episodes)

as Seo Min Joon (10 episodes)

as Ko Chang-Jo (36 episodes)

as Assistant Manager Kim (16 episodes)

as Beop-jeong

as Park Hoon Soo (16 episodes)

as Kim Bong Shik [Kyung Hee's husband] (20 episodes)

as Yang Tae-hee (16 episodes)

as Detective Bae (17 episodes)

as Secretary Hwang (16 episodes)

as Police Officer

as Student