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பிரசாந்த் as Vishwanathan / Ramamoorthy |
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Aishwarya Rai Bachchan as Madhumitha / Vaishnavi |
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Nassar as Nachiappan / Pechiappan Rajamani |
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Lakshmi as Krishnaveny |
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Raju Sundaram as Madhesh |
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Radhika Sarathkumar as Sundaramba |
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Senthil as Juno |
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S.Ve. Sekar as Madhumitha's Father |
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Janaki Sabesh as Madhumitha's Mother |
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Geetha as Meiyaththa, Nachiappan's Wife |
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எஸ். என். லட்சுமி as Meiyaththa's Mother |
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காந்திமதி as Visalakshi |
| Directing | Shankar | Director |
| Production | Ashok Amritraj | Producer |
| Writing | Balakumaran | Dialogue |
| Production | Sunanda Murali Manohar | Producer |
| Editing | B. Lenin | Editor |
| Editing | V. T. Vijayan | Editor |
| Sound | A.R. Rahman | Original Music Composer |
| Writing | Shankar | Screenplay |
| Writing | Shankar | Story |
| Camera | Ashok Kumar Agarwal | Director of Photography |
| Art | Aaron Osborne | Art Direction |
| Directing | S. P. Hosimin | Assistant Director |
| Writing | Vairamuthu | Lyricist |
| Writing | Javed Akhtar | Lyricist |
| Writing | A. M. Rathnam | Lyricist |
| Writing | Sivaganesh | Lyricist |
| Sound | P. Unnikrishnan | Playback Singer |
| Sound | Pallavi | Playback Singer |
| Sound | A.R. Rahman | Playback Singer |
| Sound | Sujatha Mohan | Playback Singer |
| Sound | Nithyasree Mahadevan | Playback Singer |
| Sound | Sonu Nigam | Playback Singer |
| Sound | Shahul Hameed | Playback Singer |
| Sound | Harini | Playback Singer |
| Sound | Sangeetha Rajeshwaran | Playback Singer |
| Sound | Hariharan | Playback Singer |
| Sound | Anuradha Sriram | Playback Singer |
| Sound | Annupamaa | Playback Singer |
| Sound | Febi Mani | Playback Singer |
| Sound | Srinivas | Playback Singer |
| Sound | Kavita Krishnamurthy | Playback Singer |
| Sound | Udit Narayan | Playback Singer |
| Sound | Sadhana Sargam | Playback Singer |
| Sound | Sukhwinder Singh | Playback Singer |
| Sound | Kavita Paudwal | Playback Singer |
