Pregnant and alone in the city of Kolkata, a woman begins a relentless search for her missing husband, only to find that nothing is what it seems.

Vidya Balan
as Vidya Bagchi / Vidya Basu

Parambrata Chatterjee
as ASI Satyoki "Rana" Sinha

Saswata Chatterjee
as Bob Biswas

Nawazuddin Siddiqui
as A. Khan

Indraneil Sengupta
as Arnab Bagchi / Milan Damji

Dhritiman Chatterjee
as K. Bhaskaran

Darshan Jariwala
as Retd. Colonel Bajpai

Kalyan Chatterjee
as Paresh Pal

Kharaj Mukherjee
as Sub-Inspector Chatterjee

Colleen Blanche
as Agnes D'Mello