The Julia Set (sometimes stylized as Th= {Julia Set}) is a 2026 American coming-of-age drama film written and directed by Niki Byrne, starring Chase Infiniti, Gillian Anderson, Christopher Briney, Jason Isaacs, Nina Hoss, Chloe Bailey, Carmen Ejogo, Nico Hiraga, Liz Lin and Alex Dillard.
Contents
Premise
A young mathematician prepares for a challenging contest.
Cast
Chase Infiniti as Julia
Christopher Briney as Pascal
Gillian Anderson
Jason Isaacs
Nina Hoss
Chloe Bailey as Erin
Carmen Ejogo
Nico Hiraga as Marcus
Liz Lin
Alex Dillard
Production
The film is written and directed by Niki Byrne. Producers include Jeffrey Penman (p.g.a.), Nick Scherma (p.g.a.), Shaun Sanghani, Gillian Anderson, Eleonora Granata-Jenkinson, Andrey Epifanov, David Treatman, Max Johnson, Lee Stollman, Ellen Goldsmith-Vein and Tayler Haynes. It is produced by Potato Salad Cosmic Domination, in association with SSS Entertainment, G Nus Media, IF/THEN, Grapevine Films, Cinetrain, SA, Melograno Films, Hanway Films, Gotham Group, Good Future and Vacancy Film Fund.
The cast is led by Chase Infiniti, Gillian Anderson, Christopher Briney, Jason Isaacs, Nina Hoss, Chloe Bailey, Carmen Ejogo, Nico Hiraga, Liz Lin and Alex Dillard.
Principal photography was underway in London in October 2025.
Release
The Julia Set premiered at the Toronto International Film Festival in September 2026. In October 2026, Sony Pictures Classics acquired distribution rights to the film in the United States, United Kingdom, Australia, New Zealand, South Africa, Italy, Spain, Scandinavia, the Benelux, Switzerland, Israel, Eastern Europe excluding Poland, and Asia excluding Singapore.