Ponnar Shankar is based on historical novel written by Kalangir M. Karunanidhi. Story is about the two warriors, both are brothers named Ponner and Sankar living in Kongu Nadu (present day Coimbatore, Erode etc..). This is a historical movie and these two warriors are even worshipped today at most of the above mentioned part of Tamil Nadu.
| Actor | Role |
|---|---|
 PrashanthPonnar | Ponnar |
 Pooja ChopraMuthaayi | Muthaayi |
| DDivya ParameshwaranPavaalayi | Pavaalayi |
 SnehaArukkaani Thangam | Arukkaani Thangam |
 Prakash RajManthiappan | Manthiappan |
 Prabhuthe Chola King | the Chola King |
 JayaramNellian Kodan | Nellian Kodan |
 Khusbhu SundarThamarai Nachiyar | Thamarai Nachiyar |
 NassarMayavar | Mayavar |
 RajkiranRaaki Annan | Raaki Annan |
 NapoleonThalaiyoor Kaali | Thalaiyoor Kaali |
 VijayakumarPeriyamalai Kozhundu | Periyamalai Kozhundu |
 PonvannanChinnamalai Kozhundu | Chinnamalai Kozhundu |
 Lakshmi RamakrishnanSilambayi | Silambayi |
 SeethaAzhagu Nachiyar | Azhagu Nachiyar |
 SukumariVaanayi | Vaanayi |
 PonnambalamThalapathi | Thalapathi |
 Santhana BharathiNot listed | Not listed |
 Delhi GaneshNot listed | Not listed |
 Riyaz KhanVaiyamperumal | Vaiyamperumal |
 Raj KapoorNot listed | Not listed |