Cast
Kim Gyu-ri
Min-ah
Park Ye-jin
Hyo-shin
Lee Yeong-jin
Shi-eun
Gong Hyo-jin
Ji-won
Kim Jae-in
Yeon-an
Baek Jong-hak
Go Hyeong-seok
Maeng Bong-hak
Biology Teacher
Lee Hyun-soon
Teacher
Jung Jin-gak
Vice Principal
Kim Kyeong-jin
Group of Singer
Lee Hye-mi
Student
Shin Hye-jung
Classmate
Han Seung-yeon
Class Leader
Lim Seong-eon
Athletics Member
Ku Hye-ju
Athletics Captain
Oh Min-ae
School nurse
Han Min
Shi-eun's friend
Jeon Gi-gwang
Coach
Kang Min-kyung
Classmate
Crew
Kim Tae-yong
Director
(Directing)
Kim Tae-yong
Writer
(Writing)
Min Kyu-dong
Director
(Directing)
Min Kyu-dong
Writer
(Writing)
Cho Sung-woo
Music
(Sound)
Lee Choon-yun
Producer
(Production)
Kim Sang-bum
Editor
(Editing)
Oh Ki-min
Producer
(Production)
Oh Sang-man
Art Direction
(Art)
Lee Dae-hoon
Production Design
(Art)
Kang Yi-kwan
Assistant Director
(Directing)
Kim Yun-su
Director of Photography
(Camera)
Lee Sung-jin
Sound Supervisor
(Sound)
Choi Sung-won
Lighting Director
(Lighting)
Lee Seung-chul
Sound Designer
(Sound)
Park Sun-ji
Makeup & Hair
(Costume & Make-Up)
Lee Seung-hyeon
Costume Design
(Costume & Make-Up)