Kim Hye-soo
Woman
Kim Young-chan
Jae-su
Ryu Seung-ryong
Jae-su's father
Hwang Jung-min
Baek-joong
Kim Ji-young
Baek-joong's mother
No Min-woo
Jun-min
Niel
Class monitor
Lee Eung-jae
Kkak-doo-gi
Maeng Bong-hak
Doctor
Bae Joong-sik
Detective
Oh Il-yong
Police
Kim Dong-hyun
30s guy
Kim Do-young
Eo-geum-ni
Goo Bon-im
Class monitor's mother
