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