The Sound of Magic

Ji Chang-wook

Lee Eul

Choi Sung-eun

Yun Ah-yi

Hwang In-yeop

Na Il-deung

Ji Hye-won

Baek Ha-Na

Choi Young-jun

Detective Kim

Yoo Jae-myung

Il-deung's Father

Kim Hye-eun

Il-deung Mother

Jo Han-chul

Yoon Ah-yi's Father

Kim Ba-da

Sergeant Park

Oh So-hyun

Seo Ha-Yoon

Hong Jeong-min

Yoon Yoo-Yi

Kim Bo-yoon

Kim So-Hee

Im Gi-hong

Homeroom teacher

Park Ha-na

Min Ji-Soo

Hwang Se-Hee

Lee Na-Yeong