Park Joong-hoon

Hwang Jae-sung

Lee Sun-kyun

Jeong Eui-chan

Lee Sung-min

Detective Jo

Kim Jung-tae

Detective Song

Ko Joo-yeon

Soo-yeon

Han Soo-yeon

Hyun-sook

Kang Ki-hwa

Hye-jin

Jeong Do-won

Detective Shin

Ahn Yong-jun

Detective Kim

Im Won-hee

Ph.D Ko

Lee Han-wi

Lee Yong-kab

Sung Yeol-seok

Metropolitan Detective

Lee Seung-cheol

Hyun-sook's father

Kim So-jin

Mapo Detective

Jang So-yeon

Yoon Sung-won

Oh Seong-soo

Detective

Bae Yong-geun

Investigator

Kim Woon

Conscripted Policeman