Kamal Haasan
Govindarajan Ramaswamy / Rangaraja Nambi / George W. Bush / Avtaar Singh / Balram Naidu / Christian Fletcher / Shinghen Narahasi / Krishnaveni / Vincent Poovaragavan / Kalifullah Mukhtaar
Asin Thottumkal
Kodhai Radha / Andal
Mallika Sherawat
Jasmine
Jaya Prada
Ranjitha Singh
Napoleon
Kulothunga Chola II
P. Vasu
J. Ragavendra (Jaa Raa)
Chakri Toleti
Sairam
M. S. Bhaskar
Broadway Kumar
Vaiyapuri
Prabhu
Santhana Bharathi
J. Ragavendra's brother-in-law
R. Sundarrajan
Member of Legislative Assembly
Nagesh
Sheikh Mukhtaar
K R Vijaya
Megha Mukhtaar
Ramesh Khanna
Doctor
David W. Scott
Lab Tech / Detective
Rekha
Meenakshi Ragavendra
Raghuram
Appa Rao
Shammu
Assistant Biotechnologist
Chitti Babu
Ekambaram
Brian Jennings
Chief of Home Land Security