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.
Is Diary on Netflix? Unfortunately the movie Diary is not yet available on Netflix.
| Directing | Innasi Pandiyan | Director |
| Writing | Innasi Pandiyan | Writer |
| Sound | Ron Ethan Yohaan | Original Music Composer |
| Camera | Aravinnd Singh | Director of Photography |
| Editing | Raja Sethupathi | Editor |
| Production | S. Kathiresan | Producer |
| Production | V. Sekar Babu | Co-Producer |
| Crew | Pradeep Dinesh | Fight Choreographer |
| Crew | Viji Satish | Choreographer |
| Costume & Make-Up | Vinoth Sugumaran | Makeup Designer |
| Crew | Suresh Chandra | Public Relations |
| Crew | Rekha D'One | Public Relations |
| Costume & Make-Up | Meenakshi Shreedharan | Costume Designer |
| Editing | Shanmuga Pandian M | Digital Intermediate Colorist |
| Camera | Stills Ameer | Still Photographer |
| Art | P Raju | Production Design |
| Sound | G. Suren | Sound Designer |
| Sound | S. Alagia Koothan | Sound Designer |
| Visual Effects | Raymax | Visual Effects |
| Writing | Gnanakaravel | Lyricist |
| Crew | Sri Krish | Choreographer |
| Production | N. T. Prathool | Publicist |
| Crew | Mohan K | Production Controller |
