Mathew Devassy, a retired bank manager decides to enter local panchayat elections. Unexpectedly, his wife Omana, shocks everyone by filing for divorce, claiming that Mathew is a homosexual.
You can now watch Kaathal - The Core online on the following streaming providers in the United States.
| Directing | Jeo Baby | Director |
| Camera | Salu K Thomas | Director of Photography |
| Writing | Adarsh Sukumaran | Writer |
| Writing | Paulson Skaria | Writer |
| Art | Shajie Naduvil | Art Direction |
| Editing | Francis Louis | Editor |
| Sound | Mathews Pulickan | Original Music Composer |
| Crew | Dixon Poduthas | Production Controller |
| Production | Sunil Singh | Line Producer |
| Sound | Tony Babu | Sound Designer |
| Costume & Make-Up | Sameera Saneesh | Costume Designer |
| Costume & Make-Up | Amal Chandran | Makeup Artist |
| Camera | Lebison Gopi | Still Photographer |
| Production | Mammootty | Producer |
| Production | Avusepachan Philip | Production Manager |
| Production | Anna Mirna M. J. | Production Manager |
| Production | Midhun Kodungallur | Production Manager |
| Production | Aslam Pullepady | Production Executive |
| Sound | Anandakrishnan J. | ADR Engineer |
| Sound | Sidharth S Nair | ADR Engineer |
| Camera | Mahesh Raju | Focus Puller |
| Camera | Ravi Teja Vadranam | Focus Puller |
| Costume & Make-Up | Manoj Manu | Makeup & Hair Assistant |
| Costume & Make-Up | Vijith | Makeup & Hair Assistant |
| Costume & Make-Up | Nithul | Makeup & Hair Assistant |
| Costume & Make-Up | Abdul Salam | Makeup & Hair Assistant |
| Costume & Make-Up | Nisha | Hair Assistant |
| Costume & Make-Up | Vineesh Venjaramoodu | Costume Assistant |
| Costume & Make-Up | Shihab Anjangadi | Costume Assistant |
| Editing | Ananthu K. Rameshan | Assistant Editor |
| Editing | Ashik Pushparaj | Associate Editor |
| Visual Effects | Dickson P. Jo | VFX Artist |
| Visual Effects | Sujith P. S. | VFX Artist |
| Visual Effects | Rohith S. Raj | VFX Artist |
| Visual Effects | Muhammed Rafi D. | VFX Artist |
| Visual Effects | Shebin Jo Thomas | VFX Artist |
| Visual Effects | Arshith Anand P. | VFX Artist |
| Editing | Liju Prabhakar | Colorist |
| Art | Rhithu | Assistant Director of Photography |
| Art | Doshy Maria George | Assistant Director of Photography |
| Art | Meenakshi Soman | Assistant Director of Photography |
| Lighting | Lowrance Joseph | Gaffer |
| Directing | Amrutha Vijai | Assistant Director |
| Directing | Chaapan | Assistant Director |
| Directing | Music Jeo | Assistant Director |
| Writing | Anwar Ali | Lyricist |
| Writing | Jacquiline Mathew | Lyricist |
| Directing | Martin N. Joseph | First Assistant Director |
| Directing | Kunjila Mascillamani | First Assistant Director |
| Sound | Vineeth Raveendran | Sound Editor |
| Sound | Tony Babu | Sound Editor |
| Sound | Sony James | Foley |
| Sound | Sinoy Joseph | Sound Re-Recording Mixer |
| Costume & Make-Up | Amal Chandran | Makeup & Hair |
| Costume & Make-Up | S. George | Makeup & Hair |
| Directing | Anil Anandan | Co-Director |
| Sound | Tony Babu | Dialogue Editor |
| Sound | K. S. Chithra | Vocals |
| Sound | G. Venugopal | Vocals |
| Production | S. George | Executive Producer |
