as Shakuntala Devi
as Anupama Banerjee
as Paritosh Banerji
as Ajay Abhaya Kumar
as Javier
as Tarabai
as Shakuntala's Father
as Shakuntala's Mother
as Srinivas
as Young Anu
as Bookshop Interviewer
as BBC Host
as Mr. Stevens - Shakuntala's lawyer
as Edward
as Ajay's Father
as Dheeraj
as Mediator
as Mathematician (uncredited)