నాని

Mahesh Babu

— Naani / Vijju

Ameesha Patel

— Priya

Devayani

— Indira Devi

Raghuvaran

— Scientist

Aishwarya Bhaskar

— Priya's Friend

Nassar

— Priya's Father

Brahmanandam

— Satyam

Ravi Babu

— Satyam's Son

Sunil Varma

— Vishwanath / X

Kota Srinivasa Rao

— Doctor

Sudhakar

— Income Tax Officer

Ali Basha

— Simham

Ramya Krishnan

— Special Appearance

Sanjay Swaroop

— Naani's father

Anjala Zaveri

— Special Appearance

Kiran Rathod

— Special Appearance

S. J. Suryah

— Cameo Appearance