Cast from The Harmonium in My Memory

Jeon Do-yeon

Yun Hong-yeon

Lee Byung-hun

Kang Soo-ha

Lee Mi-yeon

Yang Eun-Hee

Song Ok-suk

Yun Hong-yeon's mother

Kim Jae-in

Nan-hee

Seo Hye-rin

Teacher Yu

Lee Dae-yeon

Teacher Jo (uncredited)

Kim Seon-hwa

Bum-soo's Mother (uncredited)

Park Kwang-jin

Kim Joo's Grandfather (uncredited)

Lee In

Soon-cheol (uncredited)

Lee Young-hoo

Bookstore Owner (uncredited)