A man is on his way home when the poorly constructed tunnel he is driving through collapses, leaving him trapped leaving himself for the unexpected whilst emergency services struggle to help.
Unfortunately the movie Tunnel is not yet available on HBO Max.
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Art | Jeon Sung-ho | Set Decoration |
| Production | Yoo Jae-hwan | Producer |
| Camera | Kim Jung-wook | Camera Operator |
| Writing | Park Song-i | Storyboard |
| Production | Kim Do-su | Executive Producer |
| Sound | Kim Sang-woon | Production Sound Mixer |
| Directing | Kim Seong-hun | Director |
| Writing | Kim Seong-hun | Writer |
| Crew | Hong Seung-Hyuk | Cinematography |
| Camera | Kim Tae-sung | Director of Photography |
| Camera | Kim Dong-guk | Key Grip |
| Production | Lee Taek-Dong | Producer |
| Production | You Jeong-hun | Executive Producer |
| Editing | Kim Chang-ju | Editor |
| Visual Effects | Sudarshan Dhakal | Visual Effects |
| Visual Effects | Han Hyun-sug | 3D Artist |
| Visual Effects | Kim Nam-sik | Visual Effects Supervisor |
| Sound | Vitek Kral | Music Supervisor |
| Production | Kim A-Ran | Producer |
| Production | Lee Dong-yoon | Producer |
| Production | Ok Gwang-hee | Line Producer |
| Art | Heo Seo-hyoung | Art Direction |
| Production | Jang Won-seok | Producer |
| Costume & Make-Up | Chae Kyung-hwa | Costume Design |
| Costume & Make-Up | Choi Hye-lim | Makeup & Hair |
| Visual Effects | Yoo Young-il | VFX Supervisor |
| Production | Kim Ji-hoon | Producer |
| Sound | Gang Hye-yeong | Sound Designer |
| Sound | Mok Young-jin | Music |
| Art | Lee Hwo-kyoung | Production Design |
| Crew | Yoo Sang-seob | Fight Choreographer |
| Writing | So Jae-won | Original Story |
| Lighting | Kim Gyeong-seok | Lighting Director |
| Art | Joo Yong-woo | Special Props |
| Editing | Kim Il-kwang | Digital Intermediate |
