
Plot
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.
Trailer
Cast

Asa Butterfield
Nathan Ellis

Rafe Spall
Martin Humphreys

Sally Hawkins
Julie Ellis

Eddie Marsan
Richard

Jo Yang
Zhang Mei

Alex Lawther
Isaac Cooper

Alexa Davies
Rebecca Dunn

Martin McCann
Michael Ellis

Orion Lee
Deng Laoshi

Jake Davies
Luke Shelton

Paul J. Dove
John

Percelle Ascott
Ben Morgan

Christina Low
IMO Contestant

Edward Baker-Close
Nathan Ellis (9 yrs)

Suraj Rattu
Pav Kamdar

Jamie Ballard
Headmaster

Clare Burt
Doctor

Adam Foster
Paediatrician

Lee Zhuo Zhao
Li Jing

Shannon Beer
Caz

Tasha Connor
Jessie

Bo-Han Huang
Luke's Buddy

Song-Hung Chang
Employee

Lawrence Jeffries
Schoolboy

Ciaran Wakefield
Schoolboy