Hak-soo's Father
Monk Do-am
Cheon Il-man
Park Chang-ha
Office Manager
Professor No
Sim Pyeong-seop
Mister
Cheo-sun
Yuk Chul-gu
Jang Kil-bog
Kong Jang-Geun
Jun-ho's father
Middle-aged Man
Jang Chil-sam
Detective Oh
Father