내 마음의 풍금

チョン・ドヨン

Yun Hong-yeon

イ・ビョンホン

Kang Soo-ha

イ・ミヨン

Yang Eun-Hee

송옥숙

Yun Hong-yeon's Mother

김재인

Nan-hee

서혜린

Teacher Yu

イ・デヨン

Teacher Jo

김선화

Bum-soo's mother

박광진

Kim Joo's grandfather

이준

Soon-cheol

이영후

Bookstore Owner

チョン・ムソン

Headmaster