Kim Gyu-riMin-ah

Park Ye-jinHyo-shin

Lee Yeong-jinShi-eun

Gong Hyo-jinJi-won

Kim Jae-inYeon-an

Baek Jong-hakGo Hyeong-seok

Maeng Bong-hakBiology Teacher

Jung Jin-GakVice Principal

Lee Hyun-soonTeacher

Kim Kyeong-JinGroup of Singer

Hye-mi LeeStudent

Shin Hye-JungClassmate

Seung-Yeon HanClass Leader

Lim Seong-eonAthletics Member

Ku Hye-JuAthletics Captain

Oh Min-aeTeacher Yang-ho

Han MinShi-eun's friend

Jeon Gi-gwangCoach

Kang Min-kyungClassmate

Kim Youn-sooClassmate

Kim Dong-hwaPunk

Min Kyu-dongDirector & Writer

Kim Tae-yongDirector & Writer

Lee Choon-yunProducer

Oh Ki-minProducer