Yun Ju-Sang

Dong-Min's father

Mu-woon

Squad Leader Yang

Bong-chool

Chief Agent

Hirobumi Ito

Captain

Director Kim

Elder Park

Gangster

Lee Cheol Soo

Han Ji-man

Chairman No

Oh Hyeon-Kyu

Ko Pyeong-Sik

Moon Sang Il

Ji-ahn's father

Prison warden Kim

Oh Hyeon-kyu

Jin-wook's father

Jang Won-sik

Na Dae-ho

Kang Su-hang

Lee Joon-bae

Ha Seok-gu

Chan-yeol's grandfather

Reaper

Park Man-Jae

Choi Gook-hyun

Choi Chun-Sool

The Chief

Oh Hyeon-kyu

Kim Chan-ki

Moon Sung-Woo

Moon Tae-san

Grandfather Jang

Professor Ahn

Kim Jeong-gu

Kim Soon-Gu

CEO Yoon

Yuk Ho's grandpa

Byung-hoo

Jaegal Han-ryang

Lee Won Gil

Ko Mul-sang

Hwang No Seob

Lee Won Gil [Former Minister of Health and Welfare]