Dev Patel Srinivasa Ramanujan
Jeremy Irons G. H. Hardy
Toby Jones Littlewood
Jeremy Northam Bertrand Russell
Del Spiva Music Editor
Richard Johnson Vice Master Henry Jackson
Shazad Latif Chandra Mahalanobis
Paul Wheeldon First Assistant "A" Camera
Pádraic Delaney Beglan
Stephen Fry Sir Francis Spring
Kevin McNally Major MacMahon
Dhritiman Chatterjee Narayana Iyer
Crispin Layfield Stunt Coordinator
Will Riley Sound Effects Editor
Ben Gladstone Location Manager
Tristine Skyler Executive Producer
Alexander Forsyth Cadet
Andy Stallabrass ADR Mixer
Arundathi Nag Komalatammal
Luciana Arrighi Production Design
Katy Covell Casting Assistant
Nigel Mills Dialogue Editor
Christopher Ravenscroft J. J. Thompson
Andrew Munro Supervising Art Director
Anthony Calf Howard
Matt Brown Writer, Director, Producer, Screenplay
Shenagh Govan Postal Worker
Simon Moseley Line Producer
Enzo Cilenti Doctor
Arthur Wicks Property Master
Robert Kanigel Novel, Co-Producer
Jon Katz Producer
San Davey Script Supervisor
Meg Clark Post Production Supervisor
Michael McDermott Gaffer
Nicholas Agnew Andrew Hartley
Kevin Foy Grip
Abby Mills Assistant Production Coordinator
Jim Young Producer
JC Bond Editor
Ollie Gilbert Casting Assistant
Liam Shaw Third Assistant Director
Huw Penallt Jones Co-Producer
Richard Blanshard Still Photographer
Sean Connor First Assistant "B" Camera
Ray Meere First Assistant "B" Camera
Sofia Sondervan Producer
Elaine Caulfield Hospital Nurse
Ann Maskrey Costume Design
Damian Léon Watts Assistant Art Director
Victoria Zalin Production Coordinator
Andrew Jones Second Assistant "B" Camera
Roger Narayan Scribe
Joseph Newton Cohen Executive Producer
Swati Bhise Executive Producer, Associate Producer
Liz Ainley Set Decoration
Dominic Cazenove Waiter
Malcolm Sinclair Professor Cartwright
Lydia Currie First Assistant Director
Dan Gamble Second Assistant "A" Camera
Liz Colbert Graphic Designer
Jomon Thomas Producer
Oliver Squire Camera Trainee
Ann Taylor Assistant Costume Designer
Coby Brown Original Music Composer
Justin Warburton-Brown Art Direction
John Moolenschot Construction Manager
Jack Powell Electrician
Sarah Ramey Associate Producer
Alan Booty Grocer
Jennie Fava Second Assistant Director
Pamela Godfrey Executive Producer, Unit Publicist