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Raghuvaran as Scientist Aishwarya Bhaskar as Priya's Friend Kota Srinivasa Rao as Doctor Ramya Krishnan as Special Appearance Anjala Zaveri as Special Appearance Brahmanandam as Satyam Sunil Varma as Vishwanath / X Sanjay Swaroop as Naani's father Ameesha Patel as Priya Devayani as Indira Devi Sudhakar as Income Tax Officer Ali Basha as Simham Kiran Rathod as Special Appearance S. J. Suryah as Cameo Appearance Mahesh Babu as Naani / Vijay a.k.a. Vijju Nassar as Priya's Father Ravi Babu as Satyam's Son

Vijay Prakash Playback Singer Sunitha Sarathy Playback Singer Raju Sundaram Choreographer Sreekar Prasad Editor S. P. Balasubramaniam Playback Singer Sujatha Mohan Playback Singer Hariharan Playback Singer Harini Playback Singer Sadhana Sargam Playback Singer Manjula Ghattamaneni Producer Chandrabose Lyricist Sirivennela Seetharama Sastry Lyricist S. J. Suryah Director, Screenplay, Story A.R. Rahman Original Music Composer Karthik Playback Singer Shankar Mahadevan Playback Singer Nithyasree Mahadevan Playback Singer Sanjay Swaroop Producer K. V. Guhan Director of Photography Brinda Choreographer Veturi Sundararama Murthy Lyricist