Watch: 'Vishwaroopam's DTH press meet
The film has Kamal Haasan playing the role of Viswanath. It is one of the key roles in the movie.
An upcoming Tamil spy thriller written, directed and co produced by Kamal Haasan that features himself in the lead role,'Vishwaroopam' has Rani Mukerji, Rahul Bose, Andrea Jeremiah and Jaideep Ahlawat is in supporting roles.
The movie has music by Shankar Ehsaan Loy, with lyrics by Vairamuthu and Kamal Haasan in the Tamil version.