Hong Seok-yeon

as Jung-sik

as Boat Captain (1 episode)

as Mr. Gong

as Pasotr

as Dr. Jang (1 episode)

as Opium Den Owner (1 episode)

as [Patient's father] (1 episode)

as Amusement Park security Guard (1 episode)

as Patient Park Deuk-gu (2 episodes)

as [Cheol Wook's uncle] (1 episode)

as Uncle (Ep. 3: Unique Family)

as Violent Drunk Man (1 episode)

as Deok-soo's Uncle

as Min-gi

as Pharmacist

as Worker on the bridge

as School Custodian

as Samgak Mansion Security Guard

as Kap-soo

as Mr. Jang

as Park Young-jo

as Mr. Kim