Based on the life of Shakuntala Devi who is a well-known mathematical genius and calculating progidy from India. She has been nicknamed 'Human Computer' because of her extraordinary talent and skill in solving complex mathematical problems without any mechanical aid.
| Actor | Role |
|---|---|
 Vidya BalanShakuntala Devi | Shakuntala Devi |
 Sanya MalhotraAnupama Banerji | Anupama Banerji |
 Jisshu SenguptaParitosh Banerji | Paritosh Banerji |
 Amit SadhAjay Abhaya Kumar | Ajay Abhaya Kumar |
 Luca CalvaniJavier | Javier |
 Sheeba ChaddhaTarabai | Tarabai |
 Prakash BelawadiShakuntala's Father | Shakuntala's Father |
| IIpshita Chakraborty SinghShakuntala's Mother | Shakuntala's Mother |
 Ahan NirbanSrinivas | Srinivas |
 Chahat TejwaniYoung Anu | Young Anu |
 Nisha AaliyaBookshop Interviewer | Bookshop Interviewer |
 Max DowlerBBC Host | BBC Host |
 Phillip RoyMr. Stevens - Shakuntala's lawyer | Mr. Stevens - Shakuntala's lawyer |
 Alex BartramEdward | Edward |
 Purnendu BhattacharyaAjay's Father | Ajay's Father |
 Neil BhoopalamDheeraj | Dheeraj |
| IIan BailleyMediator | Mediator |
 Jon WenningtonMathematician (uncredited) | Mathematician (uncredited) |
| MMarianne MarchBarbara Jensen | Barbara Jensen |