Directed by
| John Mahendran | ... | (as John) |
Writing Credits (in alphabetical order)
| John Mahendran | ... | (dialogue) (as John) |
| John Mahendran | ... | (screenplay) (as John) |
| John Mahendran | ... | (story) (as John) |
| Mohan Nair | ... | (hindi dialogue) |
Cast (in credits order)
| Joseph Vijay | ... | Sachein Singhania | |
| Genelia Deshmukh | ... | Shalinii (as Genelia D'Souza) | |
| Bipasha Basu | ... | Manju | |
| Vadivelu | ... | Ayyasamy / Arnold / Makhanlal | |
| Raghuvaran | ... | Gowtham / Singhania | |
| Santhanam | ... | Santhanam | |
 |
Bonda Mani | ||
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Thaadi Balaji | ... | Balaji (as Balaji) |
| Mayilsamy | ... | Fake Blindman | |
|
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Chaams | ... | Ayyasamy's Sidekick |
|
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Resmi | ... | Priti |
|
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Linda Arsenio | ... | Dancer / Singer |
| Rest of cast listed alphabetically: | |||
|
|
Mozammel Hoshen Chowdhury | ||
|
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Mohan Sharma | ... | Shalini's father |
| Thalaivasal Vijay | ... | Preethi's Father | |
Produced by
| A. Sampath Kumar | ... | producer (Telugu version) |
| Y. Satish | ... | producer (hindi version) |
| Kalaippuli S. Thanu | ... | producer (as Kalaipuli S. Dhanu) |
Music by
| Devi Sri Prasad | ... | (music) |
Cinematography by
| Jeeva | ||
Editing by
| M. Sakthi | ||
| V.T. Vijayan | ||
Art Direction by
| Thota Tharani | ... | (as Thotta Tharani) |
Production Management
| Muthuramalingam | ... | executive in charge of production |
Second Unit Director or Assistant Director
| Gnanagiri | ... | assistant director |
| Rebel Ravi | ... | associate director |
Sound Department
| Ajith Abraham George | ... | song mixing |
Visual Effects by
| Arunkumar Chandrasekaran | ... | compositor |
| Zameer Hussain | ... | senior compositor |
| Thirumurugan Krishnan | ... | senior compositor |
| Caarthick Raju | ... | visual effects supervisor |
| Kalaivanan S. | ... | visual effects |
| Stalin Saravanan | ... | visual effects supervisor |
| Andrew Shibi | ... | lead compositor |
Stunts
| Fefsi Vijayan | ... | stunts (as S. Vijayan) |
Music Department
| Palani Bharathi | ... | lyricist |
| Pazhani Bharathi | ... | lyricist |
| V. Elango | ... | lyricist |
| Ajith Abraham George | ... | recording & mixing engineer |
| Jassie Gift | ... | playback singer |
| Kabilan | ... | lyricist |
| Karthik | ... | playback singer |
| Shankar Mahadevan | ... | playback singer |
| Malathi | ... | playback singer |
| Rahul Menon | ... | playback singer |
| P.K. Mishra | ... | hindi lyrics |
| Na. Muthukumar | ... | lyricist |
| Padmalatha | ... | playback singer |
| Devi Sri Prasad | ... | playback singer |
| Ramu | ... | playback singer |
| Sunitha Sarathy | ... | playback singer |
| Joseph Vijay | ... | playback singer |
| Pa. Vijay | ... | lyricist |
Additional Crew
| Ahmed Khan | ... | choreographer |
| Shobi Paulraj | ... | choreographer |
| Raju Sundaram | ... | choreographer |
