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