Picking up the storyline from where Singam ended, Duraisingam has gone undercover after meeting the Home Minister and is working as an NCC officer in a school in Thoothukudi. The only people who know about this operation are the Chief Minister and Home Minister apart from himself.
Suriya
as Durai Singam
Anushka Shetty
as Kavya Durai Singam
Hansika Motwani
as Sathya
Vivek
as Yettu Erimalai
Santhanam
as Sussa
Danny Sapani
as Danny
Radha Ravi
as Duraisingam's father
Nassar
as Mahalingam
Vijayakumar
as The Home Minister
Manorama
as Kavya's grandmother
Yuvarani
as Durai Singam's sister
Rajendran
as Saghayam
