The crew of a horror web series travels to an abandoned asylum for a live broadcast, but they encounter much more than expected as they move deeper inside the nightmarish old building.
Unfortunately the movie Gonjiam: Haunted Asylum is not yet available on HBO Max.
| Production | Kim Do-su | Executive Producer |
| Writing | Park Sang-min | Writer |
| Production | Oh Yun-dong | Producer |
| Art | Baek Kyung-in | Production Design |
| Production | Jung Hyun-ju | Executive Producer |
| Sound | Kang Ju-suk | Production Sound Mixer |
| Costume & Make-Up | Yoon Hwang-jik | Special Effects Makeup Artist |
| Visual Effects | Kim Gwang-su | Special Effects Supervisor |
| Directing | Jung Bum-shik | Director |
| Writing | Jung Bum-shik | Writer |
| Production | Choi Byung-hwan | Executive Producer |
| Editing | Chung Hyeri | Colorist |
| Production | Kim Jin-woo | Producer |
| Camera | Yun Jong-ho | Director of Photography |
| Editing | Kim Hyung-ju | Editor |
| Production | William Kim | Producer |
| Camera | Park Sung-hoon | Camera Operator |
| Sound | Park Ju-kang | Sound Supervisor |
| Sound | Park Yong-gi | Sound |
| Costume & Make-Up | Yun Mi-ra | Costume Design |
| Editing | Jung Bum-shik | Editor |
| Editing | Yang Dong-yeop | Editor |
| Art | Jung Sung-kyun | Production Design |
| Sound | Na Yun-sik | Original Music Composer |
| Production | Kang Kwan-ho | Executive Producer |
| Camera | Ye-Won Mun | Camera Operator |
| Camera | Yoon Byung-Ho | Camera Operator |
| Camera | Ji-Hyun Park | Camera Operator |
| Camera | Ah-yeon Oh | Camera Operator |
| Camera | Wi Ha-jun | Camera Operator |
| Camera | Seung-Wook Lee | Camera Operator |
| Production | Seo Yong-seok | Line Producer |
