Moon Joo-yeon
Lee Si-yeong

Bae Yoon-gyu
So Eun-gyu

Oh Chi-woon
Violent Crimes Captain

Woo Kang-min
Violent Crimes Unit Chief

Jeon Woon-jong
Detective 1

Lee Han-sol
Detective 2

Joo In-young
A-yeong's Mother

Kim Moon-hak
A-yeong's Father

Choi Gwang-il
Jung Guk-hwan

Lee Se-ho
Jung Hwan-su