Park Joong-hoonHwang Jae-sung | Hwang Jae-sung |
Lee Sun-kyunJeong Eui-chan | Jeong Eui-chan |
Lee Sung-minDetective Jo | Detective Jo |
Kim Jung-taeDetective Song | Detective Song |
Ko Joo-yeonSoo-yeon | Soo-yeon |
Han Soo-yeonHyun-sook | Hyun-sook |
Kang Ki-hwaHye-jin | Hye-jin |
Jeong Do-wonDetective Shin | Detective Shin |
Ahn Yong-junDetective Kim | Detective Kim |
Im Won-heePh.D Ko | Ph.D Ko |
Lee Han-wiLee Yong-kab | Lee Yong-kab |
Sung Yeol-seokMetropolitan Detective | Metropolitan Detective |
Lee Seung-cheolHyun-sook's father | Hyun-sook's father |
Kim So-jinMapo Detective | Mapo Detective |
Jang So-yeonYTN Reporter | YTN Reporter |
Yoon Sung-wonCheongdo Gang | Cheongdo Gang |
| OOh Seong-sooDetective | Detective |
Bae Yong-geunInvestigator | Investigator |
Kim WoonConscripted Policeman | Conscripted Policeman |
| KKim RinChildren's Choir | Children's Choir |
Lim Jeong-woonVictim's Husband | Victim's Husband |
| YYoo Min-seokDistrict Captain | District Captain |
| IIm Seung-mookCheongdo Mapo Detective | Cheongdo Mapo Detective |
| KKim Seung-pilCheongdo Gang | Cheongdo Gang |
| SSon Gwang-ikChief of Central Police Station | Chief of Central Police Station |
Son Seon-geunHead of the Criminal | Head of the Criminal |
| KKim Young-jinCheongdo Gang | Cheongdo Gang |
| LLee Kye-youngVillage leader | Village leader |