Hong Gi-jun

as Pyo Seong-il (12 episodes)

as Ji Hyang-cheol (8 episodes)

as Lee Sang-goo (8 episodes)

as President Yong

as Mr. Ko

as Hookeyes

as Jang Cheol-min

as Successor Officer

as Park Byoung-sik

as Detective (16 episodes)

as Doctor

as Police officer (2 episodes)

as Reporter Hwang

as Chang-yi's Gang