 Sul Kyung-guKang Chul-joong | Kang Chul-joong |
 Lee Sung-jaeJo Kyu-hwan | Jo Kyu-hwan |
 Kang Shin-ilEom Chung-il | Eom Chung-il |
 Kim Jung-hakKim Young-soo | Kim Young-soo |
 Do Yong-guDetective Nam | Detective Nam |
 Ahn Nae-sangDetective Lee | Detective Lee |
 Lee Moon-sikLee Ahn-soo | Lee Ahn-soo |
 Sung Ji-ruDae-kil | Dae-kil |
 Yoo Hai-jinYong-man | Yong-man |
 Lee Kan-heeMrs. Jo | Mrs. Jo |
 Lee Jeong-heonSticky Note | Sticky Note |
 Ki Joo-bongSong Haeng-ki | Song Haeng-ki |
 Kim Yoon-ahYong-man's Second Daughter | Yong-man's Second Daughter |
 Kim Hee-seonYong-man's Colleague | Yong-man's Colleague |
| OOh Seung-myeongCho Myung-cheol | Cho Myung-cheol |
 Park Seoung-taeKim Young-soon | Kim Young-soon |
 Seo Tae-hwaChoi Hyeong-do | Choi Hyeong-do |
 Yang Eun-yongYoung-shin | Young-shin |
 Lee Seok-kuCaptain Park | Captain Park |
 An Jin-sooGo Heung-sik | Go Heung-sik |
 Yang Jae-seongBranch Manager | Branch Manager |
 Yun Mun-sikJeon Woo-cheol | Jeon Woo-cheol |
 Kim Gyeong-ryongKim Deok-song | Kim Deok-song |
 Kim Kang-ilChoi Doo-sik | Choi Doo-sik |
 Yoo Myeong-sunChul-joong's Mother | Chul-joong's Mother |
 Kwon Byung-gilNational Forensic Service Chief | National Forensic Service Chief |
 Ahn Suk-hwanDetective Inspector | Detective Inspector |
| HHong Soon-changTraffic Chief | Traffic Chief |
 Jeon Soo-kyeongBottled Water Lady | Bottled Water Lady |
| WWon Woong-jaeBathhouse Man | Bathhouse Man |
