One (2017 film)

Ronojoy and his friends are trainee policemen who are also self-appointed vigilantes at night. Aditya Sen, an exceptionally cunning and prodigious scientist, owns and runs a pharmaceutical empire. The national mafia and contract killer works on Aditya's word. Ronojoy, with his sharp thinking and instinct, is suspicious of Aditya, for a number of seemingly unconnected criminal events, for which he secretly carries out an unofficial investigation. Trouble mounts when Aditya becomes suspicious of his intentions, and murders Ronojoy's friend Abhijeet, an honest policeman. Later Ronojoy finds that Aditya is able to detect all his plan by satellite communication, and he misdirected Ronojoy to kill Vicky. Ronojoy later collected all the pieces of evidence against Aditya and completely shattered him. At last, it is shown that Aditya died because of a gunshot from his own girlfriend, and handovering all the secret information against the ministers which would be helpful as evidence / proofs in future.

• Yash Dasgupta as Ronojoy Bose IPS^[5]
• Prosenjit Chatterjee as Aditya Sen, the main antagonist^[6]
• Nusrat Jahan as Megha^[7]
• Supriyo Dutta as MLA-turned-Minister Gobardhan Sen, Aditya's father
• Rajat Ganguly as Chief Minister
• Bharat Kaul as leader of the dock syndicate Damodar Pandey
• Arjun Chakrabarty as Abhijeet IPS
• Rajib Bose
• Abhishek Bose
• Anil Kuriakose as Kamlesh Tripathi, Coal mafia
• Rachel White as Bipasha, Aditya's girlfriend
• Aryann Roy as Vicky
• Debdoot Ghosh as Ashok Ganguly, Pharmaceutical industry head
• Bulbuli Panja
• Satyam Bhattacharya
• Frederico Machado Freitas
• Krishnendu Adhikari^[8]

• One at IMDb