as Won Chang-seon
as Cheol-soo's grandfather
as Jin Mu-dal
as Jung Ji-pyeong
as Mon Jin-gwan
as Jin Tae-soo
as Jin-gook's Uncle
as Kim Chi-won
as Principal
as Han Ju-seok
as Seo Sang-Hak
as Yeon-joo's Father
as Father Yoon
as Kang Il-Sub
as Seo Sang Won
as Im Jong-pil
as Jin-cheol
as Investigator Jang
as Kim Sang-Choon
