Abhinay Vaddi
— Srinivasa Ramanujan
Suhasini Maniratnam
— Komalatammal
Bhama
— Janaki
Nizhalgal Ravi
— Srinivasa Raghavan
Kevin McGowan
— G. H. Hardy
Abbas
— Prasanta Chandra Mahalanobis
Y. G. Mahendran
— S. Narayana Iyer
Sarath Babu
— Diwan Bahadur R. Ramachandra Rao I. C. S.
Radha Ravi
— Prof. Singaravelu Mudaliar
Thalaivasal Vijay
— Sathiyapriya Rayar
Kitty
— Seshu Iyer
Anmol
— Young Srinivasa Ramanujan
Richard Walsh
— Francis Spring
Michael Lieber
— John Edensor Littlewood
Delhi Ganesh
Manobala
— Krishna Rao
T. P. Gajendran
— T. Namberumal Chetty
Madhan Bob
— Prof. Krishna Shastri
Lavanya
Mohan Raman
Mohan Sharma
Meera Krishnan
Bala Singh
Boys Rajan
Satish Kumar
— Anandhu
Manibharathi
— Krishnan