At Dooars, Byomkesh makes his acquaintance with several Bengali inhabitants from the local community like Dr. Ashwini Ghatak (Sujan Mukherjee), Prof. Adinath Shome (Pijush Ganguly), Mahidhar Chaudhury (Biswajit Chakrabarty), photographer Nakuleshwar (Arindol Bagchi), police officer Purander Pandey (Kunal Padhy), deputy magistrate Umanath Ghosh (Chandan Sen) and banker Amaresh Raha (Kaushik Sen).