← BackArtwork unavailableDirectingSung Yong-ilSouth Korea4 CreditsSung Yong-il (성용일) is a South Korean director.Filmography & CreditsThe Works of Sung Yong-ilKnown ForAll Works(4)Movies(1)TV Series(3)Directing(4)TVDuty After SchoolDirector2023·8.1 ★TVClass of LiesDirector2019·7.6 ★TVDr. FrostDirector2014·5.7 ★FILMFighter Choi Kang-soonDirector2018·3.0 ★
