Hong Seok-yeon

as Mr. Gong

as Jung-sik

as Pasotr

as Dr. Jang

as [Opium den owner]

as [Patient's father]

as Amusement Park security Guard

as Patient Park Deuk-gu

as [Cheol Wook's uncle]

as Uncle (Ep. 3: Unique Family)

as [Violent drunk man]

as Deok-soo's Uncle

as Min-gi

as Pharmacist

as School Custodian

as Kap-soo

as Mr. Jang

as Park Young-jo

as Mr. Kim

as Hwang

as Captain

as President Roh

as Choenmachong Manager

as Elderly Man 1

as Security Guard

as Worker

as Jang Ha-sa

as R's Brother-in-Law

as Jae-pil