X+Y

Struggling to connect with those around him, a teenage math prodigy trains for the International Mathematical Olympiad, where a budding romance with a fellow contestant breaks through his emotional walls and teaches him that love cannot be calculated.

• 
  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