Kim Yoo-nah
Yun-suk
Park Nam
Yun-sik
Park So-yeong
Sun-na
Kim In-jeong
Ok-i
Park Soon-cheon
Mother
Yoon Cheol-hyeong
Father
Ryu Mi-oh
Vice Principal
Kim Hyeong-il
Publisher
Baek Il-seob
Gyeong-su's Father
Kim Chung-ran
Gyeong-su's Mother
Yeo Un-gye
Doctor
Jeong Hye-seon
Principal
Han Myeong-gu
Director
Ham Nam-seop
Director of Photography
Kang Myeong-wan
Editor
Kwak Myeong-suk
Producer
Writer
Woo Jong-min
Music
Kim Ki-Hyun
Sound Recordist
Theme Song Performance
Shin Kyung-sim
Costumer
Lee Yong-woo
Assistant Director
Park Geun-sik
Ham Yu-seon
