All Cast

Park Bo-young

Park Bo-young

Se-Hee

Joo Won

Joo Won

Joon-Hyuk

Kang Byul

Kang Byul

Jung-Mi

Kim Min-hyuk

Kim Min-hyuk

Detective Kim

Lee Marg-Eum

Lee Marg-Eum

girl

Kang Hae-In

Kang Hae-In

cutie

Kwon Nam-hee

Kwon Nam-hee

girl's mother

Jeong Dong-gyoo

Jeong Dong-gyoo

Se-Hee's father

Choi Ji-Hun

Choi Ji-Hun

Ji-Hun

Nam Kyung-eup

Nam Kyung-eup

Detective Jang

Min Young

Min Young

homeroom teacher (uncredited)

Han Ye-Na

Han Ye-Na

teacher (uncredited)