아름다운 시절

Ahn Sung-ki

Sungmin's father

송옥숙

Sung-min's mother

이준

Sung-min

유오성

Sang-cheol

명지연

Young-sook

김정우

Changhee

Oh Jee-hye

Teacher

박선영

Myeong-sook

고동업

Song

주효만

Headmaster

Kim Ki-cheon

Jang

Maeng Bong-hak

Hwang