 Ryu Seung-ryongSquad Chief Go | Squad Chief Go |
 Lee HaneeDetective Jang | Detective Jang |
 Jin Sun-kyuDetective Ma | Detective Ma |
 Lee Dong-hwiDetective Young-ho | Detective Young-ho |
 Gong MyoungDetective Jae-hoon | Detective Jae-hoon |
 Shin Ha-kyunLee Moo-bae | Lee Moo-bae |
 Oh Jung-seTed Chang | Ted Chang |
 Kim Eui-sungPolice Superintendent | Police Superintendent |
 Song Young-gyuDetective Squad Chief Choi | Detective Squad Chief Choi |
 Heo Joon-seokGeneral Manager Jung | General Manager Jung |
 Kim Ji-youngChief Go's Wife | Chief Go's Wife |
 Kim Jong-sooChicken Restaurant Owner | Chicken Restaurant Owner |
 Yang Hyun-minHong Sang-pil | Hong Sang-pil |
 Lee Joong-okHwan-dong | Hwan-dong |
 Kim Kang-hyunProduct Director Heo | Product Director Heo |
 Tae Won-seokAnsan Branch Gang Member 4 | Ansan Branch Gang Member 4 |
| JJang Ji-woongGang Member | Gang Member |
 Jang Jin-heeSun-hee | Sun-hee |
 Shin Shin-aeWoman on the 3rd Floor | Woman on the 3rd Floor |
 Na ChulAnsan Branch Gang Member 2 | Ansan Branch Gang Member 2 |
 Ji ChanMapo Police Station Serious Crime Squad | Mapo Police Station Serious Crime Squad |
 Jung Won-changBusan Branch Customer | Busan Branch Customer |
 Yoo Je-yoonCameraman | Cameraman |
 Han Jun-wooDetective | Detective |
 Jeong Jae-kwangGungpyeong Port Uniformed Police Officer | Gungpyeong Port Uniformed Police Officer |
 Kim Nam-wooAnsan Branch Customer | Ansan Branch Customer |
 Choi Jung-eunClass President's Daughter | Class President's Daughter |
 Choi Yun-seolCouple | Couple |
 Go Bong-gooDaegu Branch Member 1 | Daegu Branch Member 1 |
| HHa ChulLee Moo-bae's gang member 8 | Lee Moo-bae's gang member 8 |
