Harmony

Yunjin Kim

as

Jeong-hye Hong

Jang Young-nam

as

Section Chief ...

Ji Sung-won

as

Hyeon-ju

Jeong Soo-young

as

Hwa-ja Ji

Lee Da-hee

as

Na-yeong Gong

Na Moon-hee

as

Kim Moon-ok

Kyeong-min Mun

as

Prison Warden

Park Jun-myun

as

Yeon-sil Kang

Lee Tae-kyeong

as

Newborn Min-wu

Kang Ye-won

as

Yu-mi Kang

Park Ji-yeon

as

Harmony Choir ...

Jin-hyeok Cha

as

Hyun-wook

Kim Jae-hwa

as

Kwon Dal-nyeo

Do Yong-gu

as

School Director

Park Hye-jin

as

Yu-mi's Mother

Lee Jun-hyeok

as

ER Doctor

Lee Joo-young

as

Police