Choi Myung-gil

Madame

Choi Jae-sung

Dong-pal

Cha Kwang-soo

Ki-young

Lee Ji-hyoung

Eugene

Hwang Mi-sun

Miss Oh

Dong Bang-woo

Shooting Range Owner

Choi Jong-won

Mr. Han

Choi Dong-joon

Agency Executive

Chu Bong

Manhwa Shop Owner

Park Yong-Pal

Worker 1

You Il-Moon

Worker 2

Ju Sang-ho

Lee Seok-ku

Runaway Boy's Father

An Jin-soo

Company Executive

Jeong Bong-yeon

Shoulders

Ricky Jeon Je-Hyeok

Shoulders

Kwon Seong-yeong

Boss

Kim Min-soo

Bully

Park Young-rok

Institution Man