A sub-inspector trainee sets out on a journey to track an unsolved, 16-year-old case. But little does he know that fate and destiny will put him on an exhilarating ride.
Unfortunately the movie Diary is not yet available on Disney Plus.
| Writing | Innasi Pandiyan | Writer |
| Sound | Ron Ethan Yohaan | Original Music Composer |
| Editing | Raja Sethupathi | Editor |
| Directing | Innasi Pandiyan | Director |
| Production | S. Kathiresan | Producer |
| Camera | Aravinnd Singh | Director of Photography |
| Production | V. Sekar Babu | Co-Producer |
| Crew | Suresh Chandra | Public Relations |
| Costume & Make-Up | Meenakshi Shreedharan | Costume Designer |
| Costume & Make-Up | Vinoth Sugumaran | Makeup Designer |
| Crew | Pradeep Dinesh | Fight Choreographer |
| Crew | Rekha D'One | Public Relations |
| Crew | Viji Satish | Choreographer |
| Editing | Shanmuga Pandian M | Digital Intermediate Colorist |
| Camera | Stills Ameer | Still Photographer |
| Art | P Raju | Production Design |
| Sound | S. Alagia Koothan | Sound Designer |
| Visual Effects | Raymax | Visual Effects |
| Writing | Gnanakaravel | Lyricist |
| Sound | G. Suren | Sound Designer |
| Crew | Sri Krish | Choreographer |
| Production | N. T. Prathool | Publicist |
| Crew | Mohan K | Production Controller |
