Grandson of legendary actors Gemini Ganesan and Savitri, Abhinay Vaddi will play the main antagonist in the second innings of director Venkat Prabhu's Chennai 28. Abhinay played the role of math wizard Srinivasa Ramanujan in the biopic Ramanujan. The sequel, which is currently shot in Thenkasi, will be produced by Prabhu's Black Ticket Company, and will feature an ensemble cast of Jai, Shiva, Mahat, Premgi Amaren, Aravind Akash, Nithin Satya, Vijayalakshmi and Vaibhav.