El sonido de la magia

지창욱

Lee Eul

최성은

Yun Ah-yi

황인엽

Na Il-deung

지혜원

Baek Ha-Na

최영준

Detective Kim

유재명

Il-deung's Father

김혜은

Il-deung Mother

조한철

Yoon Ah-yi's Father

Kim Ba-da

Sergeant Park

Oh So-hyun

Seo Ha-Yoon

홍정민

Yoon Yoo-Yi

김보윤

Kim So-Hee

임기홍

Homeroom teacher

박하나

Min Ji-Soo

Hwang Se-Hee

Lee Na-Yeong

김규나

Child watching magic

이기섭

Forensics investigator

윤경호

Kim Doo-Sik