방과후 옥상: Reparto
봉태규
Nam Kong-dal
진태현
Yeon-seong
Jeong Yoon-jo
Min-ah
하석진
Jae-koo
Cheng Yun
Man-chang
Seung-yeol Cha
Tae-chang
Chang-ju Sin
Wangkeul's Doctor Kim
Choi Eun-ju
Mae-soon
추상미
Female Doctor
손병욱
Tae-son
Hong Kyeong-yeon
Kong-dal's Mother
Jeong Dae-hoon
Student on bus
이제훈
Ahn-Kyung
조달환
Byung-goo