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Suriya as Sanjay Ramaswami / Manohar |
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Asin Thottumkal as Kalpana |
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Nayanthara as Chitra |
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Pradeep Ram Singh Rawat as Lakshman and Ram |
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Riyaz Khan as Police Inspector |
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Manobala as Kalpana's boss |
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Sathyan Sivakumar as Actor / Server / Fake Sanjay |
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Venba as Child artist |
| Writing | Thamarai | Lyricist |
| Sound | Sriram Parthasarathy | Playback Singer |
| Sound | Bombay Jayashri | Playback Singer |
| Sound | Annupamaa | Playback Singer |
| Sound | Karthik | Playback Singer |
| Writing | Vaali | Lyricist |
| Writing | Kabilan | Lyricist |
| Sound | Mathangi Jagdish | Playback Singer |
| Sound | Sujatha Mohan | Playback Singer |
| Sound | Nakul | Playback Singer |
| Sound | K. G. Ranjith | Playback Singer |
| Sound | Shankar Mahadevan | Playback Singer |
| Directing | A.R. Murugadoss | Director |
| Writing | A.R. Murugadoss | Story |
| Writing | A.R. Murugadoss | Screenplay |
| Sound | Harris Jayaraj | Original Music Composer |
| Editing | Anthony | Editor |
| Art | T. Sunil Babu | Art Direction |
| Camera | R. D. Rajasekhar | Director of Photography |
| Production | Salem A. Chandrasekar | Producer |
| Crew | Brinda | Choreographer |
| Crew | Raju Sundaram | Choreographer |
| Editing | Suresh Urs | Editor |
| Crew | Kalyan Kumar | Choreographer |
| Writing | Na. Muthu Kumar | Lyricist |
| Crew | Kanal Kannan | Stunt Coordinator |
