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. Release Date: September 11, 2015. Genre: Drama, Comedy. Director: Morgan Matthews. Writer: James Graham. Stars: Asa Butterfield, Rafe Spall, Sally Hawkins. A Brilliant Young Mind official trailer courtesy of Samuel Goldwyn Films. FilmTrailerZone is the #1 destination for all movie fans to catch the latest movie trailers, clips, featurettes & much more of the latest promotional content from your most anticipated movies!.