Kim Jung-ki

as Yang Min-su

as Lee Kyeong-do's Colleague (1 episode)

as Myung Jin-su (3 episodes)

as Chang-pyo

as Teacher

as Photographer (1 episode)

as Kim Eun-pyeong (4 episodes)

as Tae-wan

as Minister of Justice's aide (1 episode)

as Kim Kyu-Cheol (12 episodes)

as Park Joong-ki (57 episodes)

as Cardiothoracic Surgeon (1 episode)

as Manager Kim (12 episodes)

as Man

as Police Station Detention Room Detective

as Michael (3 episodes)

as Jong-bae

as Section Chief Lee

as Park Young-bae