'Kasaba' is directed by debutant Nithin Ranji Panicker. Megastar Mammootty and Varalaxmi Sarath Kumar are in lead roles. Mammootty is CI Rajan Zacharia who is investigating a murder that has connections to the powerful local politician. One of the most hyped movies of recent times, Kasba is the Malayalam debut for Varalaxmi, who plays an equally important role to Mammootty's in the movie. Music is composed by Rahul Raj.