| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.R. Rahman | Crew | Sound | Original Music Composer, Playback Singer |
 Prabhu Deva | Crew | Crew | Choreographer |
 Dhanush | Crew | Directing | Director, Writer, Lyricist, Playback Singer |
 Om Prakash | Crew | Camera | Director of Photography |
 Peter Hein | Crew | Crew | Stunt Coordinator |
 Shweta Mohan | Crew | Sound | Playback Singer |
 Santhosh Narayanan | Crew | Sound | Playback Singer |
 Prasanna GK | Crew | Editing | Editor |
 Kalanithi Maran | Crew | Production | Producer |
Kabilan Chellaiah | Crew | Production | Publicist |
Dinesh Kanagaratnam | Crew | Writing | Lyricist, Playback Singer |
Arivu | Crew | Sound | Playback Singer, Lyricist |
Jacki | Crew | Art | Production Design |
 Kavya Sriram | Crew | Costume & Make-Up | Costume Designer |
B. Raja | Crew | Costume & Make-Up | Makeup Artist |
 Ilavarasu | Cast | Actor | Meghalai's Father |
 Prakash Raj | Cast | Actor | R. Sargunam |
 S. J. Suryah | Cast | Actor | Sethuraman 'Sethu' |
Dhanush | Cast | Actor | Kathavaraayan 'Raayan' |
 Selvaraghavan | Cast | Actor | Sekhar |
 Saravanan | Cast | Actor | Durai |
 Ravi Prakash | Cast | Actor | Chelladurai |
 Sundeep Kishan | Cast | Actor | Muthuvelraayan 'Muthu' |
 Varalaxmi Sarathkumar | Cast | Actress | Sethu's first wife |
Cell Murugan | Cast | Bartender | |
 Divya Pillai | Cast | Actress | Annam Sethuraman, Sethu's second wife |
 Dhileban | Cast | Actor | Guru |
 Namo Narayanan | Cast | Actor | Jagannathan |
 Aparna Balamurali | Cast | Actress | Mekhala |
 Devadarshini | Cast | Actress | Doctor |
 Aranthangi Nisha | Cast | Actress | Police officer |
 Kalidas Jayaram | Cast | Actor | Manickavelraayan 'Manickam' |
 Shah Ra | Cast | Actor | Kothandam |
 Dushara Vijayan | Cast | Actress | Durga |
Anbu Mayilsamy | Cast | Actor | Sethu's Henchman |
 Ariyan Mehedi | Cast | Actor | |
 Geetha Kailasam | Cast | Actress | Durai's wife |
| Person | Type | Job | Role(s) |
