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