A socially awkward teenage math prodigy finds new confidence and new friendships when he lands a spot on the British squad at the International Mathematics Olympiad.
Asa Butterfield | Nathan Ellis | |
Rafe Spall | Martin Humphreys | |
Sally Hawkins | Julie Ellis | |
Eddie Marsan | Richard | |
Jo Yang | Zhang Mei | |
Martin McCann | Michael Ellis |
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