▁a ▁resistance ▁f ighter ▁who ▁used ▁to ▁be ▁his ▁class mate . ▁The ▁leader ▁of ▁the ▁resistance , ▁Che - san ▁( Le e ▁By ung - h un ), ▁sens es ▁that ▁this ▁turn co at , ▁if ▁approached ▁and ▁handled ▁properly , ▁might ▁be ▁turned ▁once ▁more ▁— ▁this ▁time ▁in ▁their ▁favor . ▁And ▁so ▁begins ▁an ▁increment al , ▁c oded ▁psych ological ▁dance ▁between ▁Lee ▁and ▁a ▁key ▁resistance ▁figure ▁named ▁Kim ▁W oo - jin ▁( G ong ▁Y oo ), ▁whose ▁ant ique ▁shop ▁is ▁a ▁front ▁for ▁a ▁scheme ▁to ▁sm ug gle ▁explos ives ▁from ▁Shang hai ▁into ▁Se oul . ▁ ▁Cast ▁▁▁ ▁Song ▁K ang - ho ▁as ▁Lee ▁Jung - ch ool ▁ ▁G ong ▁Y oo ▁as ▁Kim ▁W oo - jin ▁ ▁Han ▁Ji - min ▁as ▁Ye on ▁G ye - so on ▁ ▁U hm ▁T ae - go o ▁as ▁Hash im oto ▁ ▁Shin ▁S ung - rok ▁as ▁Jo ▁H we - ry ung ▁ ▁He o ▁S ung - ta e ▁as ▁Ha ▁Il - so o ▁ ▁Lee ▁Se ol - go o ▁as ▁Oh ▁Nam - won ▁ ▁Sh ingo ▁T sur umi ▁as ▁H ig ashi ▁ ▁Kim ▁D ong - you ng ▁as ▁Ha ▁Ch ul - jo o ▁ ▁Jung ▁Y oo - ahn ▁as ▁H w ang ▁U i - se o ▁ ▁Go ▁Jun ▁as ▁Sh im ▁Sang - do ▁ ▁Se o ▁Young - jo