Kim In-mun

as Grandfather Kim

as Father Nam

as Bo-eun's Grandfather

as Security Guard

as Ju Chang-geun

as Bar owner

as Father-in-Law

as Bong-gu's father

as President Kim

as 김인문 (55 episodes)

as Master

as Kyun-woo's Father

as Mr. Oden

as Wang Sa Boo / "Master" (16 episodes)

as Mr. Yoon