Jeong-hye Hong
Yunjin Kim
Section Chief Bang
Jang Young-nam
Harmony Choir / Sil Soo-ro
Park Ji-yeon
Hyun-wook
Jin-hyeok Cha
Kwon Dal-nyeo
Kim Jae-hwa
School Director
Do Yong-gu
Yu-mi's Mother
Park Hye-jin
ER Doctor
Lee Jun-hyeok
Police
Lee Joo-young
Hyeon-ju
Hwang Geum-hee
Hwa-ja Ji
Jeong Soo-young
Na-yeong Gong
Lee Da-hee
Kim Moon-ok
Na Moon-hee
Prison Warden
Kyeong-min Mun
Yeon-sil Kang
Park Jun-myun
Newborn Min-wu
Lee Tae-kyeong
Yu-mi Kang
Kang Ye-won
Writer
Lee Seung-yun
JK Youn
Executive Producer
Lighting Director
Hwang Sun-wook
Director
Kang Dae-gyu
Props
Park Jae-wan
Camera Operator
Teo Lee
Music
Shin I Kyung
Special Effects Supervisor
Yoon Dae-won
VFX Supervisor
Ryu Jae-hwan
Assistant Editor
Park Eun-kyung
Editor
Shin Min-kyung
Adaptation
Kil Young-min
Line Producer
Yoon Ick-jun
Director of Photography
Kim Yeong-ho
Production Design
Kang So-yeong
Costume Design
Choi Yoon-sun
Art Direction
Koh Jae-young
Fight Choreographer
Jeon Yu-jun