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