Acting · born June 15, 1999 Kim Seong-jeong No English biography on TMDB yet.TMDB page Filmography (2) Fifties ProfessionalsSeries · 2026 · as Heo Nam-il · 12 ep.★ 6.3 Head Over HeelsSeries · 2025 · as Kim Jin-ung · 9 ep.★ 8.7
