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Silambarasan as Vallavan |
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Nayanthara as Swapna |
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Sandhya as Suchitra |
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Premji Amaran as Swapna's Friend |
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Santhanam as Bala |
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Reema Sen as Geetha |
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Karthik Sabesh as Vallavan's Classmate |
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S.Ve. Sekar as Bala's Father |
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Janaki Sabesh as Bala's Mother |
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Balakumaran as Psychiatrist (Cameo Appearance) |
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T. Rajendar as Special Appearance in "Ammadi Aathadi" Song |
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Kanal Kannan as Cameo Appearance |
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Mahat Raghavendra as Uncredited Role |
| Writing | Karunakaran | Lyricist |
| Production | P.L. Thenappan | Producer |
| Directing | Silambarasan | Director |
| Editing | Anthony | Editor |
| Writing | Silambarasan | Screenplay |
| Camera | S. Murthy | Director of Photography |
| Sound | Blaaze | Playback Singer |
| Sound | Premji Amaran | Playback Singer |
| Sound | Yuvan Shankar Raja | Original Music Composer |
| Sound | Yuvan Shankar Raja | Playback Singer |
| Sound | Suchitra | Playback Singer |
| Sound | Silambarasan | Playback Singer |
| Writing | Silambarasan | Lyricist |
| Sound | T. Rajendar | Playback Singer |
| Camera | Priyan | Director of Photography |
| Writing | Perarasu | Lyricist |
| Sound | Sunidhi Chauhan | Playback Singer |
| Sound | Vijay Yesudas | Playback Singer |
| Writing | Thamarai | Lyricist |
| Sound | Karthik | Playback Singer |
| Sound | K. G. Ranjith | Playback Singer |
| Writing | Vaali | Lyricist |
| Sound | Sunitha Sarathy | Playback Singer |
