Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.
Unfortunately the movie Ordinary Person is not yet available on HBO Max.
| Production | Kim Yong-sun | Producer |
| Art | Kim Seong-hyeon | Art Direction |
| Crew | Choi Kwang-rak | Martial Arts Choreographer |
| Sound | Cho Woo-jin | Production Sound Mixer |
| Directing | Kim Bong-han | Director |
| Writing | Cho Samuel | Writer |
| Camera | Jeong Kyung-hwa | Still Photographer |
| Costume & Make-Up | Chae Kyung-hwa | Costume Design |
| Production | Jang Seong-won | Producer |
| Writing | Kim Bong-han | Adaptation |
| Art | Chae Kyoung-sun | Production Design |
| Production | Lee Chan-nam | Line Producer |
| Production | Park Cheol-su | Executive Producer |
| Sound | Lee Seung-yeop | Sound Supervisor |
| Production | Lee Tae-hun | Executive Producer |
| Editing | Steve M. Choe | Editor |
| Art | Seo Sung-kyung | Production Design |
| Camera | Kim Sung-chul | Director of Photography |
| Lighting | Jung Hae-ji | Lighting Director |
| Sound | Jeong Jin-ho | Original Music Composer |
| Art | Park Jun-yong | Props |
| Art | Kim Jung-gon | Set Dresser |
