| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Park Seung-woo | Crew | Directing | Director | 16 |
 Choi Tae-kang | Crew | Writing | Writer | 16 |
 Lee Kyung-young | Cast | Actor | Chairman Kwon | 16 |
 Yoon Yoo-sun | Cast | Actress | Ha Young-shin [Woo-shin's mother] | 6 |
 Choi Deok-moon | Cast | Actor | Kang Hyuk-pil | 16 |
 Hwang Jeong-min | Cast | Actress | Butler Kwon | 16 |
 Seo Ji-hye | Cast | Actress | Eun Hye-soo | 16 |
 Ji Sung | Cast | Actor | Ha Woo-shin / Song Soo-hyun | 16 |
 Cho Seong-ha | Cast | Actor | Lee Chang-woo | 16 |
 Go Gyu-pil | Cast | Actor | Gong Dae-chul | 5 |
 Jo Hyun-wu | Cast | Actor | Song Soon-ho | 4 |
 Kim Bi-bi | Cast | Actress | ARES Team Leader Lee Mi-young | 1 |
 Heo Tae-hee | Cast | Actor | Prosecutor Han Min-soo | 3 |
 Lee Si-won | Cast | Actress | Secretary Yoon | 16 |
 Lee Soo-kyung | Cast | Actress | Kim Seo-hee | 16 |
 Go Yoon | Cast | Actor | Agent Park | 16 |
 Seo Hyun-woo | Cast | Actor | Kwon Hyun-jo | 16 |
 Oh Dae-hwan | Cast | Actor | Team A Leader Lee | 16 |
 Kim Jong-goo | Cast | Actor | Hwang Byung-chul | 7 |
 Woo Hyun-ju | Cast | Actress | Ms Oh | 16 |
 Ahn Bo-hyun | Cast | Actor | Kwon Min-jo | 3 |
 Cho Dong-in | Cast | Actor | Manager Lee | 16 |
 Han Sa-myeong | Cast | Actor | Team A agent Cha | 12 |
 Yang Heung-ju | Cast | Warden Jeon Byung-gyu | 1 | |
 Kim Do-yoon | Cast | Actor | Sergeant Ko Chul-min | 4 |
 Lee Ho-chul | Cast | Actor | Manager Jeong | 16 |
Im Byeong-gi | Cast | Actor | Director Eun | 4 |
 Heo Sung-tae | Cast | Actor | Choi Tae-sung | 16 |
 Choi Mu-in | Cast | Actor | Im Deok-su [killer] | 2 |
 Kang Hak-soo | Cast | Actor | Chief Yang | 3 |
 Shin Hyeon-seung | Cast | Actor | Lee Dong-rim | 16 |
 Jang Jin-hee | Cast | Actress | Special Agent Miss Lee | 16 |
 Jo Han-joon | Cast | Actor | [Undercover agent] | 1 |
 Park Hae-eun | Cast | Actress | Yoon Sun | 16 |
 Choi Chan-ho | Cast | Actor | Agent Kim | 16 |
 Won Tae-min | Cast | Actor | Special Agent Mr. Han | 16 |
 Min Eung-sik | Cast | Actor | Prosecutor office deputy head | 1 |
 Jang Ui-don | Cast | Actor | Jang Eui-don | 1 |
 Park Ki-ryung | Cast | Actor | ARES CEO Kim Gun-ho | 1 |
 Jung Young-hoon | Cast | Actor | Team A agent | 11 |
 Jeon Kwang-jin | Cast | Actor | [Bomb squad captain] | 1 |
 Choi Da-young | Cast | Actress | Ms. Cho | 1 |
 Ha-min | Cast | Actress | Lee Dong-rim's mother | 2 |
 Lee Do-yeop | Cast | Actor | Special Agent Mr. Baek | 16 |
 Kim Jeong-ho | Cast | Actor | Kim Won-joong | 3 |
 Jin Tae-yeon | Cast | Actress | Jang Young-ja | 4 |
 Song Hyeong-su | Cast | Actor | Jeweler | 1 |
 Hwang Jin-hwan | Cast | Actor | Haesongwon security guard | 14 |
 Jang Tae-min | Cast | Actor | Detective | 2 |
 Park Ji-ho | Cast | Actor | Hwang Byung-chul's aide | 1 |
| Person | Type | Job | Role(s) | Episodes |
