Choi Soo-hoonActingNo biography available.Known For7.5You Know What? It's a Secret19906.5Happiness Does Not Come in Grades1989Fan ClubNo Nerds have favorited Choi Soo-hoon yet — be the first.All fan clubsFrom NerdspinFilmographyActor21990You Know What? It's a SecretFilmChang-nam★ 7.51989Happiness Does Not Come in GradesFilmAhn Chun-jae★ 6.5