Joseon's top detective Kim Min attempts to track down those responsible for circulating massive amounts of counterfeit silver bullion in Joseon. He also tries to find the missing sibling of a young girl.
Unfortunately the movie Detective K: Secret of the Lost Island is not yet available on HBO Max.
| Directing | Kim Sok-yun | Director |
| Writing | Lee Nam-kyu | Writer |
| Sound | Lee Sung-jin | Sound Supervisor |
| Production | Kim-Jho Kwang-soo | Executive Producer |
| Art | Jang Chun-sup | Production Design |
| Costume & Make-Up | Kwon Yoo-jin | Costume Design |
| Art | Nam Seong-ju | Set Decoration |
| Costume & Make-Up | Kim Seo-hee | Makeup & Hair |
| Sound | Na Yun-sik | Original Music Composer |
| Costume & Make-Up | Lee Hye-ran | Costume Design |
| Art | Byun Ki-yun | Art Direction |
