Hong Seok-yeon

as Amusement Park security Guard

as [Cheol Wook's uncle]

as School Custodian

as Opium Den Owner

as Boat Captain

as Patient Park Deuk-gu

as Deok-soo's Uncle

as Violent Drunk Man

as Pharmacist

as Samgak Mansion Security Guard

as Security Guard

as [Patient's father]

as President Roh

as Captain

as Elderly Man 1

as Worker

as Dr. Jang

as Jang Ha-sa

as R's Brother-in-Law

as Hwang

as Jae-pil

as Mr. Jang

as Kap-soo

as Uncle (Ep. 3: Unique Family)

as Choenmachong Manager

as Min-gi

as Park Young-jo

as Jung-sik

as Mr. Gong

as Worker on the bridge

as Mr. Kim

as Pasotr

as Factory Manager