Tough As Iron - Kang-chul-i

Yoo Ah-in

Gang-cheol

Kim Hae-sook

Soon-i

김정태

Sang-gon

Kim Seung-oh

Hwi-gon

Jung Yu-mi

Soo-ji

Lee Si-eon

Jong-soo

Shin Jung-keun

Yagami

Kim İn-woo

Akito

Kim Hyun-sook

Broker

Jang Tae-seong

Lee Byeong-hee

배슬기

Jae-sook

Kim Seo-kyung

Chyoo Ri-ning

Song Young-chang

Hwan-gyoo

Kim Hyun-sook

Broker

고인범

Police substation captain

김가영

Bus passenger

Ah In Yoo

Jeong-tae Kim

Seong-oh Kim

Yu-mi Jung