 | Vijay als Vetrimaaran/ Vetri/ Maaran |
 | S. J. Suryah als Daniel Arockiaraj |
 | Samantha Ruth Prabhu als Tara |
 | Nithya Menen als Aishwarya Vetrimaaran |
 | Kajal Agarwal als Anu Pallavi |
 | Sathyaraj als Rathnavel |
 | Vadivelu als Vadivu |
 | Sathyan Sivakumar als Maniyan |
 | Kovai Sarala als Sarala |
 | Hareesh Peradi als Dr. Arjun Zachariah |
 | Misha Ghoshal als Tara's Friend |
 | Yogi Babu als Nolan |
 | Rajendran als Health Minister |
 | Kaali Venkat als Auto Driver |
 | Devadarshini als Nurse |
 | Surekha Vani als Nurse |
 | Sangili Murugan als Salim Ghosh |
 | Boxer Dheena als Prisoner |
 | M.Kamaraj als Kaasi |
 | Mamilla Shailaja Priya als Tara's Mother |
| Kaali Venkat als Rickshaw Driver |
 | Senthikumari |
 | Abdool Lee |
| Vijayendra Prasad | Screenplay |
| Atlee | Dialogue |
| A.R. Rahman | Original Music Composer |
| Atlee | Director |
| Ramana Girivasan | Dialogue |
| Ramana Girivasan | Screenplay |
| Antony L. Ruben | Editor |
| G. K. Vishnu | Director of Photography |
| Tapas Nayak | Sound Designer |
| M. Sherif | Choreographer |
| H Murali | Executive Producer |
| Pallavi Singh | Costume Design |
| T K Madhan Prasad | Co-Director |
| T. Muthuraj | Art Direction |
| Prem Rakshith | Choreographer |
| ANL Arasu | Stunt Coordinator |
| Neeraja Kona | Costume Design |
| Hema Rukmani | Producer |
| Marcin Andruchow | Line Producer |
| Natarajan Ramji | Line Producer |
| Shilpi Kiran | Assistant Director |
| R Udhayakumar | Production Controller |
| D Maneksha | Still Photographer |
| Gopi Prasannaa | Publicist |
| N. Ramasamy | Producer |
| M. Senthil | Production Executive |
| Vivek | Lyricist |
| Kailash Kher | Playback Singer |
| Sathyaprakash Dharmar | Playback Singer |
| Deepak Blue | Playback Singer |
| Pooja Vaidyanath | Playback Singer |
| A.R. Rahman | Playback Singer |
| Shreya Ghoshal | Playback Singer |
| Sid Sriram | Playback Singer |
| Shweta Mohan | Playback Singer |
| G. V. Prakash Kumar | Playback Singer |
| Naresh Iyer | Playback Singer |
| Sharanya Srinivas | Playback Singer |
| Vishwaprasad Ganagi | Playback Singer |
| Atlee | Story |
| Atlee | Screenplay |
