Shakuntala Devi

Vidya Balan

Anupama Banerjee

Sanya Malhotra

Kartar

Adi Chugh

Paritosh Banerjee

Jisshu Sengupta

Anupama's Lawyer

Jake Francis

Ajay Abhaya Kumar

Amit Sadh

Mathematician

Stephen Samson

Mathematician

Ty Hurley

Javier

Luca Calvani

Tarabai

Sheeba Chaddha

BBC Show Host

Max Dowler

Shakuntala's Father

Prakash Belawadi

Shakuntala's Mother

Ipshita Chakraborty Singh

Srinivas

Ahan Nirban

12 year old Shakuntala

Spandan Chaturvedi

Young Anu

Chahat Tejwani

Ajay's Father

Purnendu Bhattacharya

Bookshop Interviewer

Nisha Aaliya

Mohan Manhas

Vidyuth Gargi

Mr. Stevens - Shakuntala's Lawyer

Phillip Roy

Ajay's Mother

Renuka Sharma

Edward

Alex Bartram

11 year old Anu

Chahat Tewani

Dheeraj

Neil Bhoopalam

Mediator

Ian Bailley

Jaya

Komal Chhabria

Mathematician (uncredited)

Jon Wennington

Tea Room Lady

Claire Ashton

The Mediator

Ian Bailey

Elle Jones

Yea room lady

Toni Beard

Mathematician

Paul Blackwell

Royal mathematician society member

Colin Blyth

Arun

Dhruvin Doshi

Doctor

Nyla Masood

London Presenter

Peter McPherson

English Man

Michael Meehan

8 year old Shakuntala

Araina Nand

Theatre Director

Roderick O'Grady

School Principal

Mahesh Pillai

Mr. Saxena

Vikram Sahu