""
Kim Yoo-nah
as Yun-suk
Park Nam
as Yun-sik
Park So-yeong
as Sun-na
Kim In-jeong
as Ok-i
Park Soon-cheon
as Mother
Yoon Cheol-hyeong
as Father
Ryu Mi-oh
as Vice Principal
Kim Hyeong-il
as Publisher
Baek Il-seob
as Gyeong-su's Father
Kim Chung-ran
as Gyeong-su's Mother
Yeo Un-gye
as Doctor
Jeong Hye-seon
as Principal
Jeon Won-joo
as School Parent
Hong Yun-jeong
as Loan Shark
Kim Il-woo
as Dispatcher
Hwang Min
as Korean Teacher
Seo Chang-sook
as Class Teacher
Lee Dae-ro
as Grandfather
Han Young-su
as Yun-sik's Class Teacher
Lim Sun-taeg
as MC
Kim Hye-yeong
Lee Yong-woo
Assistant Director
Han Myeong-gu
Director
Ham Nam-seop
Director of Photography
Writer
Jeon Jin-seung
Lighting Director
Shin Kyung-sim
Costumer
Kwak Myeong-suk
Producer
Woo Jong-min
Music
Kim Ki-Hyun
Sound Recordist
Kang Myeong-wan
Editor
Theme Song Performance
Ham Yu-seon
Park Geun-sik
