 Kim Yoon-seokGong Gil-yong | Gong Gil-yong |
 Yoo Hai-jinKim Joong-san | Kim Joong-san |
 Lee Jung-eunEun-joo's Mother | Eun-joo's Mother |
 Song Young-changEun-joo's Father | Eun-joo's Father |
 Hwang Chae-wonEun-joo | Eun-joo |
 Jang Young-namEun-joo's Aunt | Eun-joo's Aunt |
 Jung Ho-binSeo Jung-hak | Seo Jung-hak |
 Lee Jae-yongFortuneteller Baek | Fortuneteller Baek |
 Park Hyo-juGil-yong's Wife | Gil-yong's Wife |
 Lee Hyo-jeGil-yong's Son | Gil-yong's Son |
 Nam Moon-chulChief of Police Office | Chief of Police Office |
 Lee Jun-hyeokMae Seok-hwan | Mae Seok-hwan |
| KKim Won-jinCentral District Detective 3 | Central District Detective 3 |
 Choi WonCentral District Detective 4 | Central District Detective 4 |
| KKim Ran-heunSeoul Police | Seoul Police |
 Joo Young-hoDetective | Detective |
 Lee Yoon-heeChief of Criminal Investigation | Chief of Criminal Investigation |
 Jeong Min-gyuNot listed | Not listed |
 Hyun Bong-sikDetective | Detective |
| LLee So-youngTeacher | Teacher |
 Song Seung-hyunDetective's son | Detective's son |
| CCheon Myeong-jaeChoi Chil-seong | Choi Chil-seong |
 Yoon Jin-haCheon | Cheon |
 Jeong Mi-kyeongGuest at Joong-san's House | Guest at Joong-san's House |
 Kim Dong-hyeokSeoul Criminal Division Detective 3 | Seoul Criminal Division Detective 3 |
| KKim Seong-raeSeoul Criminal Division Detective 8 | Seoul Criminal Division Detective 8 |
