Kwon Sang-wooSong Hak-rim Cho Seong-haKorean Language Teacher Lee Yu-miKyung-soo's sister Park Dong-binMusic teacher Shin Cheol-jinChinese teacher Jung Won-joongSchool Nurse Jo Sang-geonKyung-soo's father Kim Il-wooHead of Student Affairs Kim Tae-gyunRegisör / Författare Kim Kyeong-hieArt Direction Jang Geun-yeongProduction Design Choi Yeong-taekDirector Of Photography Choi Sae-miCostume Designer Jang Seong-hoVisual Effects Supervisor 
