Vignesh Shivan, working on his debut directorial venture, unknowingly moves to a haunted apartment, becomes sleep deprived and depressed due to nightmares and paranormal happenings. When all his efforts to solve the issue fails, Vicky tries to get to the bottom of it to find out about the house, comes to know many shocking facts.
Unfortunately the movie Demon is not yet available on HBO Max.
| Production | R. Somasundaram | Producer |
| Directing | Ramesh Pazhaniivel | Director |
| Sound | Ronnie Raphael | Original Music Composer |
| Camera | R. S. Anandakumar | Director of Photography |
| Writing | Ramesh Pazhaniivel | Writer |
| Editing | M. Ravikumar | Editor |
| Costume & Make-Up | A.P. Mohamad | Makeup Designer |
| Art | Vijay Rajan | Production Design |
| Costume & Make-Up | Cuddalore M. Ramesh | Costume Designer |
| Crew | Rock Prabhu | Fight Choreographer |
| Sound | Raju Albert | Sound Designer |
| Writing | Karthik Netha | Lyricist |
| Camera | Muthu Vel | Still Photographer |
| Sound | Harish | Sound Mixer |
| Production | Kumar Veerappasamy | Production Executive |
| Production | V. Balakrishnan | Production Coordinator |
| Editing | G. S. Muthu | Colorist |
| Crew | Rekha D'One | Public Relations |
| Crew | Suresh Chandra | Public Relations |
| Editing | B. Yugendhran | Digital Intermediate |
| Crew | Vasanthabalan | Presenter |
| Production | Yuvraj Ganesan | Publicist |
