Iruvar

Mohanlal

Anandan

Prakash Raj

Tamil Selvam

Aishwarya Rai Bachchan

Pushpavalli / Kalpana

Gautami Tadimalla

Ramani

Revathi

Marathagam

Tabu

Senthamarai

Nassar

Ayya Veluthambi

Kaaka Radhakrishnan

Kasi

Major Sundarrajan

Police Officer

Rajesh

Madhivanan

Delhi Ganesh

Nambi

Nizhalgal Ravi

Ramani's uncle

Kalpana Iyer

Anand's Mother

S. N. Lakshmi

Tamizhselvan's Mother

Gowtham Sundararajan

Arivazhagan

Sujitha

Tamizhselvan's Daughter

Vishnuvardhan

Tamizhselvan's Son

Monica

Manimegalai,Tamizhselvan's daughter

Laxmi Rattan

Arjun Doss

C. K. Saraswathi

P. L. Narayana

Ramaswamy

Cheenu Mohan

Assistant Director

Madhoo

Cameo appearance in song Narumugaye

Rohini

Pushpavalli / Kalpana (voice)

Mani Ratnam

Director

A.R. Rahman

Original Music Composer

Mani Ratnam

Screenplay

Farah Khan

Choreographer

Suhasini Maniratnam

Dialogue

AS Laxmi Narayanan

Sound Designer

AS Laxmi Narayanan

Sound Mixer

Suresh Urs

Editor

Samir Chanda

Art Direction

Suhasini Maniratnam

Screenplay

Suhasini Maniratnam

Executive Producer

V. Priya

Assistant Director

G. Srinivasan

Producer

Mani Ratnam

Producer

Santosh Sivan

Director of Photography

Mani Ratnam

Story

Susi Ganesan

Assistant Director

Vairamuthu

Poem

Asha Bhosle

Playback Singer

Rajagopal

Playback Singer

A.R. Rahman

Playback Singer

Harini

Playback Singer

P. Unnikrishnan

Playback Singer

Sandhya J. K.

Playback Singer

Arvind Swamy

Playback Singer

Bombay Jayashri

Playback Singer

Mano

Playback Singer

Dominique Cerejo

Playback Singer

Vairamuthu

Lyricist

Hariharan

Playback Singer

S. P. Balasubramaniam

Playback Singer