Yunjin Kim as Jeong-hye Hong

Jang Young-nam as Section Chief Bang

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 / Sil Soo-ro

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