Question: Lee Min-ho, a South Korean actor and singer, starred in his first leading role in film with "Gangnam Blues",  a 2015 South Korean noir action film written and directed by who?
Sentence (from "Gangnam Blues"): Gangnam 1970) is a 2015 South Korean noir action film written and directed by Yoo Ha, and starring Lee Min-ho and Kim Rae-won.
Relevant evidence: Yes