Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.
| Writing | Jo Sung-hee | Screenplay |
| Directing | Jo Sung-hee | Director |
| Production | Shin Chang-hwan | Producer |
| Sound | Kim Tae-seong | Original Music Composer |
| Editing | Nam Na-young | Editor |
| Production | Kim Su-jin | Producer |
| Costume & Make-Up | Choi Eui-young | Costume Design |
| Production | Yun In-beom | Producer |
| Art | Jang Geun-yeong | Production Design |
| Camera | Byun Bong-sun | Director of Photography |
| Sound | Park In-young | Original Music Composer |
| Production | Bang Ok-kyung | Executive Producer |
| Lighting | Song Hyun-suk | Lighting Director |
| Editing | Jeong Gye-hyeon | Editor |
| Visual Effects | Seo Doo-hyeong | VFX Artist |
| Sound | Lee Jong-ho | Sound Recordist |
| Directing | Han Gyeong-hoon | Assistant Director |
| Directing | Shin Seung-gyun | Assistant Director |
| Costume & Make-Up | Lee Jong-kyeong | Costume Designer |
| Crew | Park Jung-ryul | Martial Arts Choreographer |
| Visual Effects | Lee Hyun-dong | VFX Supervisor |
| Art | Jang Hee-sun | Art Designer |
| Production | Oh Hyeon-am | Line Producer |
| Costume & Make-Up | Yoon Na-yeon | Costumer |
| Visual Effects | Han Tae-jung | VFX Supervisor |
| Camera | Kang Yun-sun | Camera Operator |
| Camera | Lee Hyun-gyu | Key Grip |
| Camera | Kwon Young-il | "C" Camera Operator |
