A western businessman, his Thai wife and son experience a horrible accident while visiting Bangkok. In the aftermath, they find there is a shadow world between life and death where endless darkness lies.
Unfortunately the movie Hellgate is not yet available on HBO Max.
| Writing | John Penney | Writer |
| Directing | John Penney | Director |
| Costume & Make-Up | Waraporn Kheawnanjai | Costume Design |
| Sound | Doug Andham | Sound Re-Recording Mixer |
| Sound | Tony Orozco | Sound Effects |
| Editing | Edward R. Abroms | Editor |
| Sound | Eric Freeman | Sound Re-Recording Mixer |
| Art | Arkadech Keawkotr | Production Design |
| Sound | Nobuhiko Morino | Music |
| Costume & Make-Up | Kazuyuki Okada | Makeup Effects Designer |
| Sound | Matt Brown | Sound Editor |
| Production | Jon Karas | Producer |
| Sound | Thomas Syslo | Sound Designer |
| Sound | Jussi Tegelman | Sound Designer |
| Production | Ryûhei Kitamura | Producer |
| Sound | Daisuke Sawa | Sound Designer |
| Sound | Thomas Syslo | Supervising Sound Editor |
| Production | Mark Stuart Lane | Producer |
| Sound | Timothy J. Borquez | Sound Designer |
| Editing | Lee Chatametikool | Editor |
| Costume & Make-Up | Vasit Suchitta | Makeup Effects Designer |
| Camera | Sayombhu Mukdeeprom | Director of Photography |
