4 years is about Gayathri and Vishal, their college sunrises, canteen sunsets and hostel midnights.
| Directing | Ranjith Sankar | Director |
| Sound | Sankar Sharma | Original Music Composer |
| Sound | Tapas Nayak | Sound Designer |
| Camera | Salu K Thomas | Director of Photography |
| Writing | Ranjith Sankar | Story |
| Writing | Ranjith Sankar | Screenplay |
| Production | Ranjith Sankar | Producer |
| Editing | Sangeeth Prathap | Editor |
| Writing | Sandra Madhav | Lyricist |
| Writing | Sandhoop Narayanan | Lyricist |
| Writing | Arathy Mohan | Lyricist |
| Writing | Anu Elizabeth Jose | Lyricist |
| Writing | Vivek Muzhakkunnu | Lyricist |
| Writing | Ranjith Sankar | Lyricist |
| Costume & Make-Up | Ronex Xavier | Makeup Artist |
| Costume & Make-Up | Ramya Suresh | Costume Designer |
| Art | Sooraj Kuruvilangad | Art Direction |
| Crew | Sajeev Chandiroor | Production Controller |