as Park Woo-sung's Son
as child patient(12 eps)
as Choi Han-gi's youngest son(6 eps)
as Kim Jik-jin's Son(10 eps)
as Dano child(16 eps)
as child 1(16 eps)
as Choi Hae(50 eps)
as pening scene child 1(16 eps)
as Seo-joon(13 eps)
as Mi-nyeo, Se-hyeong's son(24 eps)
as Kid Brushing His Teeth
as grandson(16 eps)
as kid(12 eps)
as Yoon-je(8 eps)