Rani Mukherjee, Randeep Hooda, Nawazudin Siddique... And now Ranbir Kapoor... Bombay Talkies - the film that celebrates 100 years of Indian cinema - is gradually filling the cast space with eminent actors from our B-town. The film, which comprises of four different short films, boasts of noted filmmakers Karan Johar, Dibakar Banerjee, Anurag Kashyap and Zoya Akhtar helming each of them.

Ranbir is currently shooting for his next, Abhinav Singh Kashyap’s ‘Besharam’, but the news is that the actor is the surprise addition to the cast of ‘Bombay Talkies’. Although his schedule is packed this year, Ranbir has managed to make time for one more film.

A source close to the film revealed, "Ranbir is all set to join the cast of BT, which releases on May 1. He is the sutradhar (narrator); his character will tie the four short films into one movie.

Bringing him on board was a last-minute decision by the makers, but they believe having him will only add to the charm of the film, which already boasts of quite a few talented actors and directors."

Talks are still on about how Ranbir’s character will be showcased in the film. "They are yet to decide how his role will be integrated and who will shoot his part.

The makers are working on a couple of innovative ideas," says the source, adding that Ranbir will begin shooting for BT by the end of this month. They will have to wrap up soon as it needs to release in May."

When contacted, a spokesperson from the film refused to divulge any information, saying, "We are still discussing the details of the movie with Ranbir. It’s very early to comment on the same."