நண்பன்

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

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