Nathan Ellis
Asa Butterfield
Martin Humphreys
Rafe Spall
Julie Ellis
Sally Hawkins
Richard
Eddie Marsan
Zhang Mei
Jo Yang
Michael Ellis
Martin McCann
Luke Shelton
Jake Davies
Isaac Cooper
Alex Lawther
Rebecca Dunn
Alexa Davies
Nathan Ellis (9 yrs)
Edward Baker-Close
Deng Laoshi
Orion Lee
Ben Morgan
Percelle Ascott
John
Paul J. Dove
Suraj Rattu
IMO Contestant
Christina Low
Pav Kamdar
Suraj Rattu
Headmaster
Jamie Ballard
Doctor
Clare Burt
Paediatrician
Adam Foster
Li Jing
Lee Zhuo Zhao
Caz
Shannon Beer
Jessie
Tasha Connor
Luke's Buddy
Bo-Han Huang
Employee
Song-Hung Chang
Schoolboy
Lawrence Jeffries
Schoolboy
Ciaran Wakefield