Vidya Balan Aamitabh Bachchan

"I am playing a cop in the film. It's a special appearance, but I was excited about doing it because it's a fabulous script. I'll get a chance to shoot again in Kolkata with Mr Bachchan, Nawazuddin Siddiqui and Sujoy," said Vidya. Vidya has previously worked with Big B in Paa and Sujoy Ghsoh in Kahaani

"I am playing a cop in the film. It's a special appearance, but I was excited about doing it because it's a fabulous script. I'll get a chance to shoot again in Kolkata with Mr Bachchan, Nawazuddin Siddiqui and Sujoy," said Vidya. Vidya has previously worked with Big B in Paa and Sujoy Ghsoh in Kahaani