Srinivasa Ramanujan 戴夫·帕特尔

G. H. Hardy 杰瑞米·艾恩斯

Littlewood 托比·琼斯

Janaki Devika Bhise

Sir Francis Spring 斯蒂芬·弗莱

Major MacMahon 凯文·麦克纳利

Bertrand Russell 杰瑞米·诺森

Howard Anthony Calf

Beglan 帕德拉克·德莱尼

Chandra Mahalanobis 沙扎德·拉蒂夫

Scribe Roger Narayan

Komalatammal Arundathi Nag

Narayana Iyer Dhritiman Chatterjee

Vice Master Henry Jackson 理查德·约翰逊

Narasimha Raghuvir Joshi

Professor Cartwright 马尔科姆·辛克莱

Dr. Muthu San Shella

Hobson Richard Cunningham

Baker Thomas Bewley

Student Pip Barclay

Porter David Shaw-Parker

Waiter Dominic Cazenove

Andrew Hartley Nicholas Agnew

Grocer Alan Booty

Postal Worker Shenagh Govan

Cadet Alexander Forsyth

Doctor 恩佐·西伦蒂

Hospital Nurse Elaine Caulfield

Hospital Doctor Alex Bartram

J. J. Thompson Christopher Ravenscroft

Nursie (uncredited) Imogen Sage