Choi Min-sik character Cheon Man-deok
Jeong Man-sik character Watcher
Kim Sang-ho character Chil-goo
Seong Yu-bin character Suk-yi
Jung Suk-won character Ryu
Ren Osugi character Government Official Maezono
Kim Hong-pa character Herbal shop owner
Lee Na-ra character Mal-nyeon
Jung Ji-so character Seon-yi
Ra Mi-ran character Chil-goo's wife (uncredited)