













| Directed by | |
|---|---|
![]() | Morgan Matthews |
| Starring | ||
|---|---|---|
![]() | Asa Butterfield | Nathan Ellis |
![]() | Rafe Spall | Martin Humphreys |
![]() | Sally Hawkins | Julie Ellis |
![]() | Eddie Marsan | Richard |
![]() | Jo Yang | Zhang Mei |
![]() | Martin McCann | Michael Ellis |
![]() | Jake Davies | Luke Shelton |
![]() | Alex Lawther | Isaac Cooper |
![]() | Alexa Davies | Rebecca Dunn |
![]() | Orion Lee | Deng Laoshi |
![]() | Edward Baker-Close | Nathan Ellis (9 yrs) |
![]() | Percelle Ascott | Ben Morgan |
![]() | Suraj Rattu | Pav Kamdar |
![]() | Jamie Ballard | Headmaster |
![]() | Clare Burt | Doctor |
![]() | Adam Foster | Paediatrician |
![]() | Lee Zhuo Zhao | Li Jing |
![]() | Shannon Beer | Caz |
![]() | Tasha Connor | Jessie |
![]() | Lawrence Jeffries | Schoolboy 1 |
![]() | Ciaran Wakefield | Schoolboy 2 |
![]() | Song-Hung Chang | Employee |
![]() | Bo-Han Huang | Luke's Buddy |
![]() | Joseph Barnes | Canadian Maths Student 2 |
![]() | Karl Ng | Mei Ping Wu |
![]() | Lewis Adams | Smoking School Pupil |
![]() | Jessica Arden | Alla (Russian IMO Team) |
![]() | Lee Bolton | Multiple sclerosis patient |
![]() | Jason Thomas Brown | Indian IMO Contestant |
![]() | Leo Chell | Family member |
![]() | Colin Coombs | MS Sufferer in Meeting |
![]() | Paul J. Dove | John |
![]() | James Frost | Multiple Sclerosis Sufferer |
![]() | Joseph Myers | UK Team Assistant |
![]() | Mick Slaney | Parent |
![]() | Patricia Winker | Invigilator |





How about leaving a review or comment for 'X+Y'?
By clicking Submit you agree to our terms and conditions and privacy policy.
UK release date: 13th March 2015
Ireland release date: 13th March 2015
Hong Kong release date: 19th March 2015
New Zealand release date: 26th March 2015
Thailand release date: 26th March 2015
United States
Vietnam
Brazil
United Kingdom
India
Kenya
Tunisia
Iraq
Indonesia
Nepal
Uruguay