Ki-joon
Hee-yeol
Professor Yang
Joo-hee
Young-choon
Yoon-jeong
Jae-ho
Koon-ho
Celebrity
Young-choon's Gang Member
Eun-mi
Hyo-jin
Student
Self
Professor
Gun-young
Ye-jin's Sister
Professor Ha
Seung-min
Cadet At Police Academy
Police Academy Student
