All Cast

Dev Patel

Dev Patel

Srinivasa Ramanujan

Jeremy Irons

Jeremy Irons

G. H. Hardy

Toby Jones

Toby Jones

Littlewood

Devika Bhise

Devika Bhise

Janaki

Stephen Fry

Stephen Fry

Sir Francis Spring

Kevin McNally

Kevin McNally

Major MacMahon

Jeremy Northam

Jeremy Northam

Bertrand Russell

Anthony Calf

Anthony Calf

Howard

Pádraic Delaney

Pádraic Delaney

Beglan

Shazad Latif

Shazad Latif

Chandra Mahalanobis

Roger Narayan

Roger Narayan

Scribe

Arundathi Nag

Arundathi Nag

Komalatammal

Dhritiman Chatterjee

Dhritiman Chatterjee

Narayana Iyer

Richard Johnson

Richard Johnson

Vice Master Henry Jackson

Raghuvir Joshi

Raghuvir Joshi

Narasimha

Malcolm Sinclair

Malcolm Sinclair

Professor Cartwright

San Shella

San Shella

Dr. Muthu

Richard Cunningham

Richard Cunningham

Hobson

Thomas Bewley

Thomas Bewley

Baker

Pip Barclay

Pip Barclay

Student

David Shaw-Parker

David Shaw-Parker

Porter

Dominic Cazenove

Dominic Cazenove

Waiter

Nicholas Agnew

Nicholas Agnew

Andrew Hartley

Alan Booty

Alan Booty

Grocer

Shenagh Govan

Shenagh Govan

Postal Worker

Alexander Forsyth

Alexander Forsyth

Cadet

Enzo Cilenti

Enzo Cilenti

Doctor

Elaine Caulfield

Elaine Caulfield

Hospital Nurse

Alex Bartram

Alex Bartram

Hospital Doctor

Christopher Ravenscroft

Christopher Ravenscroft

J. J. Thompson

Imogen Sage

Imogen Sage

Nursie (uncredited)