HomePeople Biography and filmographyCheon Seong-hoon Biography unavailable on TMDB. Movies (4)TV shows (0) Photos Movies (4) I Am a Father2011 · Gi-bok You Used To Smile That Way2009 I'm a Cyborg, But That's OK2006 · Hwang Gyu-suk Die Bad2000 · Dong-su TV shows (0) No credits available.