| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.R. Rahman | Crew | Sound | Original Music Composer |
 K. Balachander | Crew | Writing | Screenplay, Director, Dialogue |
 Raghava Lawrence | Crew | Crew | Choreographer |
 Sadhana Sargam | Crew | Sound | Playback Singer |
 Shankar Mahadevan | Crew | Sound | Playback Singer |
 Suresh Urs | Crew | Editing | Editor |
 A. Venkatesh | Crew | Camera | Director of Photography |
Pushpa Kandaswamy | Crew | Production | Producer |
Rajam Balachandar | Crew | Production | Producer |
Sivamani | Crew | Sound | Playback Singer |
 Palghat Sriram | Crew | Sound | Playback Singer |
 Srinivas | Crew | Sound | Playback Singer |
Gopu Babu | Crew | Writing | Story |
 K. S. Chithra | Crew | Sound | Playback Singer |
 Sriram Parthasarathy | Crew | Sound | Playback Singer |
 Sujatha Mohan | Crew | Sound | Playback Singer |
A. R. Reihana | Crew | Sound | Playback Singer |
 Kalyani Menon | Crew | Sound | Playback Singer |
 Febi Mani | Crew | Sound | Playback Singer |
 Karthik | Crew | Sound | Playback Singer |
 Harini | Crew | Sound | Playback Singer |
 Nithyasree Mahadevan | Crew | Sound | Playback Singer |
 Cochin Haneefa | Cast | Actor | |
 Kamal Haasan | Cast | Actor | Self (Guest Appearance) |
Raghava Lawrence | Cast | Actor | Azhagu |
 R. Madhavan | Cast | Actor | Dr. Madhava |
 Manivannan | Cast | Actor | Nellai Amaran |
 Nizhalgal Ravi | Cast | Actor | Mudaliar |
 Ramya Krishnan | Cast | Actress | Self (Guest Appearance) |
 Seema | Cast | Actress | Madhava's Mother |
 Simran | Cast | Actress | Simi |
 Sneha | Cast | Actress | Nurse Chella |
 Vivek | Cast | Actor | Dr. Putham |
 Yuvarani | Cast | Actress | Miss Chennai Host (Uncredited Role) |
Deepa Venkat | Cast | ||
 Dhamu | Cast | Actor | |
 Madhan Bob | Cast | Actor | Kamal Hassan's Fan (Uncredited Role) |
 Mayilsamy | Cast | Actor | |
 Thalaivasal Vijay | Cast | Actor | |
 Vadivukarasi | Cast | Actress | Akilam |
Vaali | Cast | Actor | Perriappa |
| Person | Type | Job | Role(s) |
