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Kamal Haasan as Nandu / Vijay kumar |
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Raveena Tandon as Tejaswini |
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Anu Hasan as Priya |
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Milind Gunaji as Lt. Col. Santhosh Kumar |
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Kitu Gidwani as Jayanthi |
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Manisha Koirala as Sharmilee |
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Gollapudi Maruti Rao as Psychiatrist |
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Shri Vallabh Vyas as Dr. Srinivasa Rao (Hindi) |
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Sarath Babu as Tejaswini's Father |
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Navin Nischol as Ravinder (Hindi) |
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Fathima Babu as Tejaswini's mother |
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Smita Jaykar as Geeta (Hindi) |
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Riyaz Khan as Sulthan |
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Vikram Gokhale as Ranganath |
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Poovilangu Mohan as Headmaster |
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Yashpal Sharma as Terrorist Gul |
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Major Ravi as Menon |
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Nissar Khan as Sonu |
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Shiva as Self - "Siri Siri" song (uncredited role) |
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Nassar as Lt. Col. Santhosh Kumar (Voice) |
| Writing | Vairamuthu | Lyricist |
| Sound | Shankar Mahadevan | Original Music Composer |
| Visual Effects | Chandrasekharan | Animation Supervisor |
| Visual Effects | Chandrasekharan | Character Designer |
| Sound | Ehsaan Noorani | Original Music Composer |
| Sound | Loy Mendonsa | Original Music Composer |
| Art | Kishen Dagar | Art Direction |
| Crew | Vikram Dharma | Stunt Coordinator |
| Sound | Shankar Mahadevan | Playback Singer |
| Sound | Mahesh Mahadevan | Original Music Composer |
| Sound | Mahalakshmi Iyer | Playback Singer |
| Sound | Manisha Koirala | Playback Singer |
| Art | Samir Chanda | Art Direction |
| Sound | Kamal Haasan | Playback Singer |
| Writing | Javed Akhtar | Lyricist |
| Sound | Sujatha Mohan | Playback Singer |
| Sound | Nandini Srikar | Playback Singer |
| Visual Effects | Madhu Sudhanan | Visual Effects |
| Crew | Sanjay Naik | Special Effects |
| Directing | Suresh Krishna | Director |
| Editing | Mu. Kasi Viswanathan | Editor |
| Camera | S. Thirunavukkarasu | Director of Photography |
| Writing | Kamal Haasan | Screenplay |
| Sound | R.S. Shivaji | Sound Designer |
| Costume & Make-Up | Reza Shariffi | Costume Design |
| Production | S. Thanu | Producer |
| Writing | Kamal Haasan | Novel |
| Writing | Kamal Haasan | Story |
| Writing | Kamal Haasan | Dialogue |
| Camera | R. Velraj | Assistant Camera |
| Directing | A. R. Rajasekar | Assistant Director |
