| Person | Type | Job | Role(s) |
|---|---|---|---|
 Abhijat Joshi | Crew | Writing | Original Story |
 Farah Khan | Crew | Crew | Choreographer |
 Harris Jayaraj | Crew | Sound | Original Music Composer |
 Rajkumar Hirani | Crew | Writing | Original Story |
 Shankar | Crew | Writing | Screenplay, Director, Dialogue |
 Sunidhi Chauhan | Crew | Sound | Playback Singer |
 Vidhu Vinod Chopra | Crew | Writing | Original Story |
 Anthony | Crew | Editing | Editor |
 Frankie Chung | Crew | Visual Effects | Visual Effects Supervisor |
 Chetan Bhagat | Crew | Writing | Novel |
Manoj Paramahamsa | Crew | Camera | Director of Photography |
 Madhan Karky | Crew | Writing | Dialogue, Lyricist |
 Viveka | Crew | Writing | Lyricist |
 Atlee | Crew | Directing | Assistant Director |
 Krish | Crew | Sound | Playback Singer |
 Pa. Vijay | Crew | Writing | Lyricist |
Vijay Kumar | Crew | Sound | Sound Editor |
T. Muthuraj | Crew | Art | Art Direction |
Kannan Ganpat | Crew | Sound | Sound Mixer |
Amrit Pritam Dutta | Crew | Sound | Sound Designer |
 Vijay Prakash | Crew | Sound | Playback Singer |
A Manohar Prasad | Crew | Production | Producer |
Krishnamani | Crew | Art | Set Designer |
 Na. Muthu Kumar | Crew | Writing | Lyricist |
 Chinmayi Sripaada | Crew | Sound | Playback Singer |
Suchith Suresan | Crew | Sound | Playback Singer |
 Javed Ali | Crew | Sound | Playback Singer |
SuVi | Crew | Sound | Playback Singer |
Ramakrishnan Murthy | Crew | Sound | Playback Singer |
 Vijay | Cast | Actor | Panchavan "Pari" Pariventhan/Kosaksi "Pappu" Pasapugazh |
 Manobala | Cast | Actor | Librarian Bose |
 S. J. Suryah | Cast | Actor | Panchavan Pariventhan |
 Sathyaraj | Cast | Actor | Virumandi Santhanam (Virus) |
 Ajay Rathnam | Cast | Actor | Panchavan's father |
 Andrea Jeremiah | Cast | Actress | Voice for Ileana D'Cruz |
 Indrans | Cast | Actor | Govindan |
 Jiiva | Cast | Actor | Sevarkodi Senthil |
 Anuya Bhagvath | Cast | Actress | Shwetha Santhanam |
 Ileana D'Cruz | Cast | Actress | Ria Santhanam |
 T.M. Karthik | Cast | Actor | Rakesh 'Price Tag' |
Vijay Vasanth | Cast | Actor | Paneerselvam |
 Adukalam Naren | Cast | Actor | Ramakrishnan |
Venkat Sundar | Cast | Ragging Senior | |
Atlee | Cast | Actor | Appearance in “Asku Lasku” Song |
 Balaji Venugopal | Cast | Actor | Ragging Senior |
 Uma Padmanabhan | Cast | Actress | Mrs. Ramakrishnan |
 Sathyan Sivakumar | Cast | Actor | Srivatsan (Silencer) |
 Srikanth | Cast | Actor | Venkat Ramakrishnan |
| Person | Type | Job | Role(s) |
