Hong Seok-yeon

as Uncle (Ep. 3: Unique Family)

as School Custodian

as President Roh

as Pharmacist

as Deok-soo's Uncle

as Jae-pil

as Mr. Kim

as Mr. Gong

as Worker

as Security Guard

as Elderly Man 1

as Amusement Park security Guard

as [Violent drunk man]

as [Cheol Wook's uncle]

as Patient Park Deuk-gu

as [Opium den owner]

as [Patient's father]

as Dr. Jang