Vijay
Panchavan "Pari" Pariventhan/Kosaksi "Pappu" Pasapugazh
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
Shankar
Director
Anthony
Editor
Harris Jayaraj
Original Music Composer
Manoj Paramahamsa
Director of Photography
Madhan Karky
Dialogue
T. Muthuraj
Art Direction
Amrit Pritam Dutta
Sound Designer
Vijay Kumar
Sound Editor
Farah Khan
Choreographer
Shankar
Dialogue
Kannan Ganpat
Sound Mixer
Krishnamani
Set Designer
Atlee
Assistant Director
Chetan Bhagat
Novel
Viveka
Lyricist
Frankie Chung
Visual Effects Supervisor
Abhijat Joshi
Original Story
Javed Ali
Playback Singer
Madhan Karky
Lyricist
Chinmayi Sripaada
Playback Singer
Sunidhi Chauhan
Playback Singer
Vidhu Vinod Chopra
Original Story
Pa. Vijay
Lyricist
Ramakrishnan Murthy
Playback Singer
Krish
Playback Singer
Shankar
Screenplay
Rajkumar Hirani
Original Story
SuVi
Playback Singer
A Manohar Prasad
Producer
Na. Muthu Kumar
Lyricist
Aalaap Raju
Playback Singer
Suchith Suresan
Playback Singer
Vijay Prakash
Playback Singer