 | Vidya Balan als Vidya Sinha / Durga Rani Singh |
 | Arjun Rampal als Sub-Inspector Inderjeet Singh |
 | Jugal Hansraj als Mohit Dewan |
 | Tota Roy Chowdhury als Arun |
 | Kharaj Mukherjee als Pranab Halder |
 | Naisha Khanna als Mini (at 6) |
 | Tunisha Sharma als Teen Mini |
 | Ardhendu Banerjee als Doctor Sen |
 | Biswajit Chakraborty als Lalbazaar Police Officer |
 | Pradip Chakrabarti als Benu Uncle |
 | Pradip Mukherjee als Doctor Maity |
 | Kaushik Sen als The Policeman of Kalimpong |
 | Gulan Kripalani als Liza Mason |
| Tapan Tushar Basu | Director of Photography |
| Sujoy Ghosh | Director |
| Kaushik Das | Production Design |
| Mukesh Chhabra | Casting |
| Kushal Kantilal Gada | Co-Producer |
| Navin Shetty | Color Designer |
| Sujoy Ghosh | Producer |
| Darshan Jalan | Costume Design |
| Reshmaa Kadakia | Co-Producer |
| Mohammed Attarwala | Supervising Producer |
| Akshay Jayantilal Gada | Producer |
| Namrata Rao | Editor |
| Suresh Nair | Co-Producer |
| Sandeep Kamal | Visual Effects Supervisor |
| Jayantilal Gada | Producer |
| Saubhik Das | Line Producer |
| Sujoy Ghosh | Screenplay |
| Subrata Barik | Production Design |
| Sham Kaushal | Stunts Coordinator |
| Clinton Cerejo | Original Music Composer |
| Suresh Nair | Story |
