Srinivasa Ramanujan

Abhinay Vaddi

Prasanta Chandra Mahalanobis

Abbas

Komalatammal

Suhasini Maniratnam

Janakiammal

Bhama

Prof. Hardy

Kevin McGowan

Srinivasa Raghavan

Nizhalgal Ravi

Young Srinivasa Ramanujan

Anmol

S. Narayana Iyer

Y. G. Mahendran

Diwan Bahadur R. Ramachandra Rao I. C. S.

Sarath Babu

Francis Spring

Richard Walsh

Prof. Singaravelu Mudaliar

Radha Ravi

Sathiyapriya Rayar

Thalaivasal Vijay

Seshu Iyer

Kitty

Prof. Krishna Shastri

Madhan Bob

Krishna Rao

Manobala

Anandhu

Satish Kumar

Delhi Ganesh

Krishnan

Manibharathi

T. Namberumal Chetty

T. P. Gajendran

Ms. Bourne

Cloudia Swann

Lavanya

Mohan Raman

Doctor Charles

Mike Parish

Mohan Sharma

Chatterjee

Harsh Naik

Meera Krishnan

Ms. Gertrude Hardy

Lizzie Bourne

Bala Singh

Boys Rajan

Colin Tierney

Marc Rolfe

Nick Robinson

Professor (Uncredited)

Jon Wennington