Vikram
as Aditha Karikalan
Aishwarya Rai Bachchan
as Nandini/ Mandakini Devi
Sara Arjun
as Young Nandini
Jayam Ravi
as Arulmozhi Varman
Karthi
as Vallavaraiyan Vanthiyathevan
Trisha Krishnan
as Kundavai, also known as Ilaiya Piratti
Aishwarya Lekshmi
as Poonguzhali also known as Samuthirakumari
Sobhita Dhulipala
as Vaanathi also known as Kodambalur Ilavarasi
Prabhu Ganesan
as Periya Vellar Boothi Vikramakesari
R. Sarathkumar
as Periya Pazhuvettaraiyar
Vikram Prabhu
as Parthibendra Pallavan
Jayaram
as Azhwarkadiyan Nambi alias Thirumalaiappan
Prakash Raj
as Sundara Chola alias Parantaka Chola II
Rahman
as Madurantaka Uttama Chola
R. Parthiban
as Chinna Pazhuvettaraiyar
Ashwin Kakumanu
as Senthan Amudhan
Aswin Rao
as Kandhamaaran also known as Illaiya Sambuvaraiyan
Nizhalgal Ravi
as Kadmabur Sambuvaraiyar
M. P. Michael
as Tirukoilur Malaiyaman alias Milaadudaiyar,
Vijayakumar
as Vijayalaya Chola
Vidya Subramanian
as Vanavan Mahadev
Jayachitra
as Sembiyan Mahadevi aka Periya Piratti
Mohan Raman
as Aniruddha Brahmarayar
Nassar
as Veerapandiyan
Kishore Kumar G
as Ravi Dasan
Riyaz Khan
as Soman Sambhavan
Vinay Kumar
as Parameswaran
Arjun Chidambaram
as Varagunan
Nimmy Raphel
as Rakkamaal
Vinodhini Vaidyanathan
as Vasuki
Master Raghavan
Babu Antony
Makarand Deshpande
Amzath Khan
Kamal Haasan
Vijay Yesudas
Anil Kumar
as Pasupathi