Director Shankar's magnum opus movie 2.0 already has a ensemble starcast which includes Rajinikanth, Akshay Kumar and many others. Now we hear that a Tollywood star will be playing a cameo appearance in the movie. As per the reports, it will be either Mahesh Babu or Chiranjeevi. The makers are planning to do this to attract the Telugu audience.The first look posters of movie which has released last week has earned raving response from all the fans. Meanwhile, the shooting is at the verge of completion and Shankar is working round the clock to complete the project and release the film for Diwali next year.