| Person | Type | Job | Role(s) |
|---|---|---|---|
 Jung Do-ahn | Crew | Visual Effects | Special Effects Supervisor |
 Jung Doo-hong | Crew | Production | Co-Producer, Fight Choreographer |
 Bang Jun-seok | Crew | Sound | Original Music Composer |
 Ryoo Seung-wan | Crew | Directing | Director, Writer, Executive Producer |
Jo Hwa-seong | Crew | Art | Art Direction |
 Kim Jeong-min | Crew | Writing | Writer, Producer |
 Cho Sang-kyung | Crew | Costume & Make-Up | Costume Design |
 Lee Won-jae | Crew | Writing | Writer |
 Kwon Hyeok-jae | Crew | Directing | Assistant Director |
Lee Seong-je | Crew | Camera | Camera Operator |
 Kang Hye-jung | Crew | Production | Producer |
 Kwak Jin-seok | Crew | Crew | Stunts |
Nam Na-young | Crew | Editing | Editor |
Kim Woo-sang | Crew | Production | Line Producer |
 Kim Won-jung | Crew | Crew | Stunts |
Jung Chang-hyun | Crew | Crew | Martial Arts Choreographer |
 Heo Myeong-haeng | Crew | Crew | Fight Choreographer |
 Lee Beom-soo | Cast | Actor | Pil-ho |
 Jo Deok-hyeon | Cast | Actor | CEO Jo |
Jung Doo-hong | Cast | Actor | Tae-su |
 Ahn Jae-mo | Cast | Actor | Cameo |
 Kim Ki-cheon | Cast | Actor | Stabber |
 Ahn Kil-kang | Cast | Actor | Wang-jae |
 Jeong Seok-yong | Cast | Actor | Dong-hwan |
Ryoo Seung-wan | Cast | Actor | Seok-hwan |
 Kim Byeong-ok | Cast | Actor | Youth President |
Baek Dong-hyeon | Cast | Actor | Arcade Gangster |
 On Ju-wan | Cast | Actor | Young Tae-su |
 Lee Joo-sil | Cast | Actress | Seok-hwan's Mother |
 Kim Seo-hyung | Cast | Actress | Jang Mi-ran |
 Kim Si-hoo | Cast | Actor | Teen Seok-hwan |
 Kim Su-hyun | Cast | Actor | Seoul Detective |
 Kim Dong-young | Cast | Actor | Young Pil-ho |
 Park Ji-hwan | Cast | Actor | Teenage Enemy Boss |
 Kim Kkob-bi | Cast | Actress | Razor Blade High School Student |
 Lim Jun-Il | Cast | Squad Leader In | |
 Jung Woo | Cast | Actor | Young Wang-jae |
 Park Young-seo | Cast | Actor | Young Dong-hwan |
 Shin Sung-il | Cast | Actor | Tatami Floor Figther 6 |
Kim Hyo-Seon | Cast | Actress | Secretary |
Nalie Lee | Cast | Actress | Miss Bae |
Kim Won-jung | Cast | Actor | Tatami Floor Figther 1 |
 Kim Yong-sun | Cast | Actress | Construction Site Woman |
 Kim Min-soo | Cast | Actor | On Sung Detective 4 |
Jang Han-seung | Cast | Tatami Floor Figther 8 | |
Kim Soo-hyun | Cast | Actress | Seoul Detective (Friendship Appearance) |
 Yoo Sang-seob | Cast | Actor | On Sung Detective 3 |
Gwon Seung-gu | Cast | On Sung Detective 5 | |
Lee Hong-pyo | Cast | On Sung Detective 2 | |
Park Ju-chun | Cast | Actor | On Sung Detective 6 |
 Joo Hyung-jin | Cast | Blackmailer 1 | |
 Yang Gil-yeong | Cast | Actor | On Sung Detective 1 |
 Kim Jung-san | Cast | Actor | Bouncer 1 |
Kwon Gwi-deok | Cast | Actor | Tatami Floor Figther 4 |
Kim Taeyoung | Cast | Pickpocket 2 | |
Yang Hae-gil | Cast | Actor | Taxi Driver with Handbag |
 Jeong Yun-Heon | Cast | Teenage Basketball Player | |
Lee Ji-o | Cast | Squad Leader Seo | |
 Kang Young-muk | Cast | Actor | Tatami Floor Figther 3 |
Park Hyunjin | Cast | Boxing Gym Teenager | |
seo seung eok | Cast | Tatami Floor Figther 2 | |
Ji Jung-hyeon | Cast | Actor | Construction Laborer 1 |
 Jang Mi-ran | Cast | Actress | Kim SeoHyung |
| Person | Type | Job | Role(s) |
