A police officer who is diagnosed with Alzheimer's disease must solve one last case before he loses all his memories. He must run against time to catch the notorious serial killer who he believes has a mysterious role in his own personal life.
Unfortunately the movie The Smile Man is not yet available on HBO Max.
| Sound | Gavaskar Avinash | Original Music Composer |
| Production | Adhin Ollur | Publicist |
| Production | Mugesh Sharma | Production Manager |
| Sound | Sachin Sudhakaran | Sound Designer |
| Camera | Sree Saravanan | Director of Photography |
| Costume & Make-Up | Vinoth Sugumaran | Makeup Designer |
| Art | Jai Kanth | Production Design |
| Costume & Make-Up | M Mohammed Subier | Costume Design |
| Crew | AIM Sathish | Public Relations |
| Production | Deepa Salil | Co-Producer |
| Sound | Hari Haran | Sound Designer |
| Editing | San Lokesh | Editor |
| Production | Salil Das | Producer |
| Directing | Syam Murali M | Director |
| Directing | Praveen Murugan | Director |
| Writing | Kamala Alchemis | Screenplay |
| Writing | Kamala Alchemis | Dialogue |
