She's on Duty

Detective Cho

Kang No-young, boy at school, Jae-in's neighbour

Seung-Hee, daughter of mob boss

Math Teacher (cameo)

Chun Jae-in, undercover cop

Drehbuch

Detective Kang

Class teacher

Drehbuch

Bae Doo-Sang, mob boss of the Whacker gang