When Lee Min Ho shows up on the set of his first film, "Gangnam Blues," he may find it reassuring to see a familiar face. Choi Jin Ho, who played Choi Young Do's not-so-loving father in the SBS hit drama "The Heirs" has also taken a role in the gangster noir film.

While the two did not interact too often on the popular k-drama, they may have more to do with each other in the film.

"Gangnam Blues," also called "Land Gate," is set in the 1970s. Today Gangnam is one of Seoul's most populated and fashionable districts.

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