| Person | Type | Job | Role(s) |
|---|---|---|---|
 A. M. Rathnam | Crew | Production | Producer |
 A.R. Rahman | Crew | Sound | Original Music Composer |
Adnan Sami | Crew | Sound | Playback Singer |
 K. V. Anand | Crew | Camera | Additional Director of Photography |
 Lucky Ali | Crew | Sound | Playback Singer |
Marc Kolbe | Crew | Visual Effects | Visual Effects Supervisor |
 Ravi K. Chandran | Crew | Camera | Director of Photography |
 Shankar | Crew | Writing | Screenplay, Director, Story |
 Sabu Cyril | Crew | Art | Art Direction |
 Sadhana Sargam | Crew | Sound | Playback Singer |
 Sujatha Rangarajan | Crew | Writing | Dialogue, Writer |
 Vasundhara Das | Crew | Sound | Playback Singer |
 S.P.B. Charan | Crew | Sound | Playback Singer |
 Pa. Vijay | Crew | Writing | Lyricist |
V. T. Vijayan | Crew | Editing | Editor |
Vaali | Crew | Writing | Lyricist |
Clinton Cerejo | Crew | Sound | Playback Singer |
V. Manikandan | Crew | Camera | Additional Director of Photography |
Vikram Dharma | Crew | Crew | Stunts Coordinator |
V Selvakumar | Crew | Art | Assistant Art Director |
Hosimin | Crew | Directing | Assistant Director |
 Chithra Iyer | Crew | Sound | Playback Singer |
 Annupamaa | Crew | Sound | Playback Singer |
 Chinmayi Sripaada | Crew | Sound | Playback Singer |
 Sunitha Sarathy | Crew | Sound | Playback Singer |
Kunal Ganjawala | Crew | Sound | Playback Singer |
 Karthik | Crew | Sound | Playback Singer |
 Tippu | Crew | Sound | Playback Singer |
Blaaze | Crew | Sound | Playback Singer, Lyricist |
 Kabilan | Crew | Writing | Lyricist |
Chitti Babu | Cast | Hari | |
 Ilavarasu | Cast | Actor | Kumar's Father |
 Manobala | Cast | Actor | Ajay |
 Senthil | Cast | Actor | Anna Veriyan |
 Vivek | Cast | Actor | Mangalam |
 Bharath Srinivasan | Cast | Actor | Babu Kalyanam |
 Delhi Kumar | Cast | Actor | Judge |
 Genelia D'Souza | Cast | Actress | Harini |
 Janaki Sabesh | Cast | Actress | Munna's mother |
 Kalairani | Cast | Actress | Kumar's Mother |
 Nakul | Cast | Actor | Juju |
Rathi Arumugam | Cast | Actress | Harini (Voice) |
Raviprakash | Cast | Actor | M. Chandra Shekar |
 Siddharth | Cast | Actor | Munna |
 S. Thaman | Cast | Actor | Krishna |
 K. G. Ranjith | Cast | Actor | Himself as a Music Award Show Host |
 S. P. Balasubramaniam | Cast | Actor | Himself as a Music Award Show Host |
Solomon Pappaiah | Cast | Judge | |
A. C. Murali Mohan | Cast | ||
 Suryakanth | Cast | Actor | 'Pimp' Manickam |
 Sathyan Sivakumar | Cast | Actor | Deepu |
 Vijay Yesudas | Cast | Actor | Himself as a Music Award Show Host |
Manikandan | Cast | Kumar | |
 Ramji | Cast | Actor | Bhaskar |
A. V. Ramanan | Cast | Munna's Father | |
Anita Ratnam | Cast | Actress | Harini's Mother |
 Hariharan | Cast | Actor | Himself |
Blaaze | Cast | Actor | Himself as a Music Award Show Host |
Bhuvaneswari | Cast | Rani | |
Sindhuri | Cast | Actress | Ankita |
Subhashini | Cast | Actress | Babu Kalyanam's Mother |
| Person | Type | Job | Role(s) |
