Shakuntala Devi
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.
Vidya Balan
Shakuntala Devi
Sanya Malhotra
Anupama Banerji
Jisshu Sengupta
Paritosh Banerji
Amit Sadh
Ajay Abhaya Kumar
Luca Calvani
Javier
Sheeba Chaddha
Tarabai
Prakash Belawadi
Shakuntala's Father
Ipshita Chakraborty Singh
Shakuntala's Mother
Ahan Nirban
Srinivas
Chahat Tejwani
Young Anu
Nisha Aaliya
Bookshop Interviewer
Max Dowler
BBC Host
Phillip Roy
Mr. Stevens - Shakuntala's lawyer
Alex Bartram
Edward
Purnendu Bhattacharya
Ajay's Father
Neil Bhoopalam
Dheeraj
Ian Bailley
Mediator
Jon Wennington
Mathematician (uncredited)