Kang Joonsang / Lee Minhyeong
Jeong Yoojin
Kim Sanghyeok
Oh Chaerin
Gong Jinsook
Kwon Yonggook
Kang Mihee
Professor Kim Jinwoo
Yoojin’s mother
Supervisor Kim
Teacher Park Jeongo
Jeong Hyeonsoo
Sanghyeok’s mother
