Shiva, a CBI officer, goes undercover as a student to hunt down a terrorist, John Chinnappa. However, the daughter of a crime witness, Pooja, has become John's next target and Shiva must protect her.
| Actor | Role |
|---|---|
 Ajith KumarShiva | Shiva |
 NayantharaMallika | Mallika |
 NavdeepNarain | Narain |
 Pia BajpieePooja | Pooja |
 JayaramAlbert Adiya Patham | Albert Adiya Patham |
 SumanJohn Chinnappa | John Chinnappa |
 NassarKarthikeyan | Karthikeyan |
 Suhasini ManiratnamKasthuri | Kasthuri |
 DevanRam Prasad | Ram Prasad |
 Cochin HaneefaHaneefa | Haneefa |
 LivingstonKamalakannan | Kamalakannan |
 Sathyan SivakumarMani | Mani |
 SrimanJohn's Bodyguard | John's Bodyguard |
 SivakarthikeyanStudent | Student |