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Kamal Haasan as Sathyamurthy |
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Amala Akkineni as Geetha Nair |
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Rajesh as Mariappa |
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Nassar as Seena Thana |
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Vadivukarasi as Sathya's stepmother |
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Janagaraj as Naidu |
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Bahadoor as Mudaliar |
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Kitty as Dhandapani |
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Anand as Sathya's friend |
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Vaali as Mariappa's associate |
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Kaviyoor Ponnamma as Malayali shop-owner |
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Kavithalaya Krishnan as Mudaliar's employer |
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R.S. Shivaji as |
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Pradeep Shakti as |
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G. M. Sundar as Sathya's Friend |
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Delhi Ganesh as Ramanathan |
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Baby Indira as Radha |
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Ponnambalam as Henchman |
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Rasi as Sudha |
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Nellai Sarathi as School teacher |
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S. Sathyendra as |
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Idichapuli Selvaraj as |
| Sound | இளையராஜா | Original Music Composer |
| Sound | Kamal Haasan | Playback Singer |
| Directing | Suresh Krishna | Director |
| Writing | Vaali | Lyricist |
| Sound | S. P. Balasubramaniam | Playback Singer |
| Sound | Lata Mangeshkar | Playback Singer |
| Writing | Ananthu | Dialogue |
| Writing | Kamal Haasan | Screenplay |
| Writing | Suresh Krishna | Screenplay |
| Production | Kamal Haasan | Producer |
| Writing | Javed Akhtar | Original Story |
| Camera | S M Anwar | Director of Photography |
| Editing | N. R. Kittu | Editor |
