
A Brilliant Young Mind
2014 · Movie · NR · 111 min · ★ 6.7 · 76% critics
A socially awkward teen with a gift for math earns a place on the British team headed to the International Mathematics Olympiad. As intense training and travel push him out of his routine, he begins forming new friendships and testing how to balance logic, ambition, and the messy feelings that come with growing up.
Also known as X Plus Y · X+Y A Brilliant Young Mind · Le Monde de Nathan
Where to watch
Watch free on Tubi — also streaming on Amazon Prime Video.
2 hours to watch.
Stream (included)
Streaming availability and prices may be inaccurate or change — verify with the provider before subscribing.
unSUB's subscription recommendations are informational only, not financial advice.
More value for your money
Similar titles, ranked by watch-hours per subscription dollar.
Details
- Original title
- X+Y
- Years
- 2014
- Release date
- 2014-03-13
- Language
- English
- Rated
- NR
- Runtime
- 111 min
- Max quality
- HD
- Critic score
- 76/100
- TMDB rating
- 6.7/10 (609 votes)
About
You’ll likely enjoy this if you want an emotional, character-focused story about a gifted teen finding connection through competition and travel; Not for you if you need fast pacing or a tidy payoff, like Starter for 10.
Pros: heartfelt coming-of-age; strong performances; relatable social struggles | Cons: slow, repetitive stretches; romance feels clichéd; ending may frustrate
Themes
- autism
- mathematics
- child prodigy
- based on true story
- death of father
- coming of age
- social outcast
- cambridge university
Cast & crew

Asa Butterfield
as Nathan Ellis

Rafe Spall
as Martin Humphreys

Sally Hawkins
as Julie Ellis

Eddie Marsan
as Richard

Jo Yang
as Zhang Mei

Alex Lawther
as Isaac Cooper

Alexa Davies
as Rebecca Dunn

Martin McCann
as Michael Ellis

Orion Lee
as Deng Laoshi

Jake Davies
as Luke Shelton
Directed by Morgan Matthews