Thendral Vandhu Ennai Thodum
Sasindhar Pushpalingam as Tharun, a physician from Hydrabad, who helped Abhi when Vetri was serving his prison sentence. He finds out through Abhi that Vetri was her husband and supports her in her decisions. Kanmani lies to Vetri and tells him that Tharun is Abhi's husband, when it isn't true. Abhi sees him as a brother.