Een kordate rechercheur gaat door met zijn zoektocht naar de waarheid over de grootste drugsbende van Azië en haar ongrijpbare baas, met wie hij nog een appeltje te schillen heeft.
Nee, helaas is Believer 2 nog niet beschikbaar op Netflix in Nederland.
| Directing | 백 | Director |
| Lighting | Hong Seung-chul | Lighting Director |
| Camera | Kim Tae-kyeong | Director of Photography |
| Art | 이하준 | Production Design |
| Sound | 프라이머리 | Original Music Composer |
| Production | Jeong Hui-sun | Executive Producer |
| Production | Song Young-heon | Producer |
| Costume & Make-Up | 박예리 | Makeup & Hair |
| Crew | Choi Bong-rock | Martial Arts Choreographer |
| Editing | 김선민 | Editor |
| Visual Effects | Jeong Seong-uk | Visual Effects |
| Camera | Ji Sung-yong | Key Grip |
| Visual Effects | Hong Jang-pyo | Special Effects Supervisor |
| Sound | 안복남 | Production Sound Mixer |
| Writing | 游乃海 | Original Film Writer |
| Visual Effects | Kim Hyeong-rok | Visual Effects |
| Art | 송석기 | Set Decoration |
| Writing | Kim Hee-jin | Screenplay |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Writing | 韋家輝 | Original Film Writer |
| Art | Oh Jin-seok | Props |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Sound | Lee Sung-june | Sound Supervisor |
| Editing | Ko Won-seok | Digital Intermediate |
| Production | 임승용 | Executive Producer |
| Costume & Make-Up | An Ji-hyeon | Costume Design |
| Writing | Jeon Cheol-hong | Story |
| Writing | 백 | Adaptation |
| Writing | Kim Jun-hyun | Adaptation |
| Crew | 권혁석 | Stunts |
| Crew | 조제웅 | Stunts |
| Costume & Make-Up | 아이락 김 | Tattoo Designer |
| Sound | 이금열 | Boom Operator |
