Lee Gyu-hoe

as Mayor

as Seo Gi Ho (6 episodes)

as Ko Dong-Uk (8 episodes)

as Park Geum-myeong (4 episodes)

as Park Jong-hwan (16 episodes)

as Seo Wan’s father (2 episodes)

as Head Teacher

as Kim Chi-won (12 episodes)

as Baek Hee-sub (2021) (16 episodes)

as Gambling house boss (2 episodes)

as Yoon Jung-yeon (7 episodes)

as Jin-guk (4 episodes)

as Han Ui-chan (16 episodes)

as Han Wi Han (10 episodes)

as Lee Ki-dong (16 episodes)

as Kim Yoon-tae (2 episodes)

as Yang Du-gwan (5 episodes)

as Kang Jin-mook (16 episodes)

as Govt. Official (1 episode)

as Gyu-hoe

as Representative

as Underground Vault Manager