| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.R. Rahman | Crew | Sound | Original Music Composer, Playback Singer |
 Arvind Swamy | Crew | Sound | Playback Singer |
 Asha Bhosle | Crew | Sound | Playback Singer |
 Farah Khan | Crew | Crew | Choreographer |
 Mani Ratnam | Crew | Writing | Screenplay, Director, Producer, Story |
 Mano | Crew | Sound | Playback Singer |
Samir Chanda | Crew | Art | Art Direction |
 Santosh Sivan | Crew | Camera | Director of Photography |
 Suresh Urs | Crew | Editing | Editor |
 Vairamuthu | Crew | Crew | Poem, Lyricist |
G. Srinivasan | Crew | Production | Producer |
 Susi Ganesan | Crew | Directing | Assistant Director |
 Suhasini Maniratnam | Crew | Writing | Screenplay, Executive Producer, Dialogue |
 S. P. Balasubramaniam | Crew | Sound | Playback Singer |
AS Laxmi Narayanan | Crew | Sound | Sound Designer, Sound Mixer |
V. Priya | Crew | Directing | Assistant Director |
 P. Unnikrishnan | Crew | Sound | Playback Singer |
 Hariharan | Crew | Sound | Playback Singer |
 Bombay Jayashri | Crew | Sound | Playback Singer |
 Harini | Crew | Sound | Playback Singer |
 Dominique Cerejo | Crew | Sound | Playback Singer |
Sandhya J. K. | Crew | Sound | Playback Singer |
Rajagopal | Crew | Sound | Playback Singer |
 Aishwarya Rai Bachchan | Cast | Actress | Pushpavalli / Kalpana |
 Delhi Ganesh | Cast | Actor | Nambi |
 Gautami Tadimalla | Cast | Actress | Ramani |
 Madhoo | Cast | Actress | Cameo appearance in song Narumugaye |
 Mohanlal | Cast | Actor | Anand |
P. L. Narayana | Cast | Ramaswamy | |
 Nassar | Cast | Actor | Ayya Veluthambi |
 Nizhalgal Ravi | Cast | Actor | Ramani's uncle |
 Prakash Raj | Cast | Actor | Tamil Selvam |
 Rajesh | Cast | Actor | Madhivanan |
 Revathi | Cast | Actress | Marathagam |
 Tabu | Cast | Actress | Senthamarai |
 C. K. Saraswathi | Cast | Actress | |
 Kalpana Iyer | Cast | Actress | Anand's Mother |
 Major Sundarrajan | Cast | Actor | Police Officer |
 Rohini | Cast | Actress | Pushpavalli / Kalpana (voice) |
 Sujitha | Cast | Actress | Tamizhselvan's Daughter |
 Vishnuvardhan | Cast | Actor | Tamizhselvan's Son |
 S. N. Lakshmi | Cast | Actress | Tamizhselvan's Mother |
 Monica | Cast | Actress | Manimegalai,Tamizhselvan's daughter |
Kaaka Radhakrishnan | Cast | Actor | Kasi |
Laxmi Rattan | Cast | Arjun Doss | |
 Gowtham Sundararajan | Cast | Actor | Arivazhagan |
 Cheenu Mohan | Cast | Actor | Assistant Director |
| Person | Type | Job | Role(s) |
