Kim Seung-woo

as Heo Bok-gu

Cha Seung-won

as Yang Cheol-gon

Park Young-kyu

as Park Yeong-gab

Kang Seong-jin

as Tteobeol

Lee Moon-sik

as Jjinppa

Kim Chae-yeon

as Bitch

Bae Joong-sik

as Axe

Park Jae-hyeon

Po-Ram Han

Jang Hyun-sung

as Chatterbox

Kim In-mun

Kim Jae-man

Kim Sun-kyung

Lee Won-jong

as Tightwad

Sung Ji-ru

as Man-su

Yoo Hai-jin

as Chim-Chak

Lim Hyung-jun

as Elementary School Alumni

Lee In

Yun Yeong-keol

Nam Moon-chul

as Senior Executive

Kim Dong-yoon

Park So-eun

as Cheol-gon's Daughter