Father
Director
Zen-Chen's Father
Suryeon's father
Pockmark
Dr. Kim
Self
Art Professor
Yohan
Doctor Seo
Jo Gang-Ho
Jeju Airport traffic controller (cameo)
Lee-soo
Chief Detective
Maeng Gwajang
Creator
Park Chang-soo
angler
Professor Kim (uncredited)
GPS Seller (uncredited)
Attorney Kim
Chemist 2 (uncredited)
Gwang-rok (uncredited)
Yang Chang-gu
Dong-gyu's father
Death Row Inmate 2896
Vampire Hunter
Ne-mo's father
Dong-hyeok's Father
Se-hyun's Father
Gangster
Bae Doo-Sang, mob boss of the Whacker gang
Bum (uncredited)
Suicidal Man
Laborer 2
Hyun-goo