Vijay
Panchavan "Pari" Pariventhan/Kosaksi "Pappu" Pasapugazh
Jiiva
Sevarkodi Senthil
Srikanth
Venkat Ramakrishnan
Ileana D'Cruz
Ria Santhanam
Sathyaraj
Virumandi Santhanam (Virus)
S. J. Suryah
Panchavan Pariventhan
Sathyan Sivakumar
Srivatsan (Silencer)
Anuya Bhagvath
Shwetha Santhanam
Manobala
Librarian Bose
Uma Padmanabhan
Mrs. Ramakrishnan
Vijay Vasanth
Paneerselvam
T.M. Karthik
Rakesh 'Price Tag'
Adukalam Naren
Ramakrishnan
Ajay Rathnam
Panchavan's father
Indrans
Govindan
Balaji Venugopal
Ragging Senior
Venkat Sundar
Ragging Senior
Andrea Jeremiah
Voice for Ileana D'Cruz
Atlee
Appearance in “Asku Lasku” Song
Directing
Editing
Camera
Sound
Harris Jayaraj
Original Music Composer
Kannan Ganpat
Sound Mixer
Amrit Pritam Dutta
Sound Designer
Vijay Kumar
Sound Editor
Krish
Playback Singer
Suchith Suresan
Playback Singer
Vijay Prakash
Playback Singer
Chinmayi Sripaada
Playback Singer
SuVi
Playback Singer
Aalaap Raju
Playback Singer
Javed Ali
Playback Singer
Sunidhi Chauhan
Playback Singer
Ramakrishnan Murthy
Playback Singer
Writing
Shankar
Dialogue
Madhan Karky
Dialogue
Chetan Bhagat
Novel
Viveka
Lyricist
Na. Muthu Kumar
Lyricist
Rajkumar Hirani
Original Story
Abhijat Joshi
Original Story
Vidhu Vinod Chopra
Original Story
Shankar
Screenplay
Pa. Vijay
Lyricist
Madhan Karky
Lyricist
