내 마음의 풍금

전도연

Yun Hong-yeon

Lee Byung-hun

Kang Soo-ha

이미연

Yang Eun-Hee

송옥숙

Yun Hong-yeon's Mother

김재인

Nan-hee

서혜린

Teacher Yu

이대연

Teacher Jo (uncredited)

김선화

Bum-soo's Mother (uncredited)

박광진

Kim Joo's Grandfather (uncredited)

Lee In

Soon-cheol (uncredited)