Son Byung-ho
Professor Choi
Lee Da-wit
Do-hyun
Seo Yi-sook
Female Professor
Kim Nam-woo
Jin-ho
Kim Do-hoon
Byung-jun
Nam Min-woo
Chan-gyu
Shin Ji Won
Hyun-jeong
Moon Ho-jin
Chief
Yim Seung-min
Young Chan-gyu
