Jang Hang-seon

as Nam Heung-Sik

as Hak-soo's Father

as Deok-soo

as Monk Do-am

as Cheon Il-man

as Kang Kwan Jang

as Park Chang-ha

as Office Manager

as Heukgae

as Professor No

as Sim Pyeong-seop

as Mister

as Cheo-sun

as Yuk Chul-gu

as Jang Kil-bog

as Woo Ji-Sup

as Kong Jang-Geun

as Supervisor Kim

as Jun-ho's Father (voice)

as Ha Deok-ho

as Middle-aged Man

as Jang Chil-sam

as Detective Oh

as Father

as Yong-pal