நண்பன்

Manobala as Librarian Bose Andrea Jeremiah as Ria Santhanam (voice) விஜய் as Panchavan "Pari" Pariventhan / Kosaksi "Pappu" Pasapugazh Srikanth as Venkat Ramakrishnan Anuya Bhagvath as Shwetha Santhanam T.M. Karthik as Rakesh 'Price Tag' Balaji Venugopal as Ragging Senior Atlee as Appearance in “Asku Lasku” Song Jiiva as Sevarkodi Senthil Uma Padmanabhan as Mrs. Ramakrishnan Ajay Rathnam as Panchavan Pariventhan's father Sathyan Sivakumar as Srivatsan (Silencer) Adukalam Naren as Ramakrishnan Indrans as Govindan Ileana D'Cruz as Ria Santhanam Sathyaraj as Virumandi Santhanam (Virus) S. J. Suryah as Panchavan Pariventhan

Anthony Editor Na. Muthu Kumar Lyricist Rajkumar Hirani Original Story Pa. Vijay Lyricist Sunidhi Chauhan Playback Singer Chinmayi Sripaada Playback Singer Javed Ali Playback Singer Krish Playback Singer Shankar Director, Dialogue, Screenplay T. Muthuraj Art Direction Abhijat Joshi Original Story Harris Jayaraj Original Music Composer Farah Khan Choreographer Viveka Lyricist Vidhu Vinod Chopra Original Story Atlee Assistant Director Vijay Prakash Playback Singer Madhan Karky Dialogue, Lyricist Chetan Bhagat Novel