Kim Kyu-baek

as Doctor

as Lee Go-dong

as Informant X

as Jo Beom-ki (2 episodes)

as Yeo-back

as [Seongju Prison inmate #1369] (16 episodes)

as [Yu Na's brother] (2 episodes)

as Joo Myeong-hun (1 episode)

as Village Resident (2 episodes)

as North Korean Agent

as Kim Yi-byung

as Kim Hyung Bok (2 episodes)

as Jong-gil's Son (3 episodes)

as Independence Soldier

as Drunk 1

as Pyeong-yang

as Volleyball Prisoner

as Peddler

as Army Personnel

as Audience

as Young-choon's Gang Member

as Joseon Draftee