Tough as Iron

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.

• 
  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