Tough as Iron

Bound and determined.

Gang-cheol is a legendary street fighter in Busan who cleaned up his act to care for his sick mother. Knowing he's desperate for money for his mother's operation, Sang-gon proposes that Gang-cheol works for him.

Cast

Yoo Ah-in

Gang-cheol

Kim Hae-sook

Soon-i

Kim Jung-tae

Sang-gon

Kim Seung-oh

Hwi-gon

Jung Yu-mi

Soo-ji

Lee Si-eon

Jong-soo

Shin Jung-keun

Yagami

Kim In-woo

Akito

Kim Hyun-sook

Organ Broker

Jang Tae-seong

Lee Byeong-hee

Bae Seul-ki

Jae-sook

Kim Seo-kyung

Chyoo Ri-ning