Cast
KY
Kim Yoo-nah
Yun-suk
PN
Park Nam
Yun-sik
PS
Park So-yeong
Sun-na
KI
Kim In-jeong
Ok-i
Park Soon-cheon
Mother
YC
Yoon Cheol-hyeong
Father
RM
Ryu Mi-oh
Vice Principal
Kim Hyeong-il
Publisher
Baek Il-seob
Gyeong-su's Father
KC
Kim Chung-ran
Gyeong-su's Mother
Yeo Un-gye
Doctor
Jeong Hye-seon
Principal
Jeon Won-joo
School Parent
HY
Hong Yun-jeong
Loan Shark
Kim Il-woo
Dispatcher
HM
Hwang Min
Korean Teacher
SC
Seo Chang-sook
Class Teacher
Lee Dae-ro
Grandfather
HY
Han Young-su
Yun-sik's Class Teacher
LS
Lim Sun-taeg
MC
KH
Kim Hye-yeong
MC
