Oscar-winning French director Justine Triet’s English-language psychological thriller Fonda has announced the start of principal photography and a slew of additions to the ensemble cast.

New arrivals include Odessa A’zion (Marty Supreme), Benedict Wong (Weapons), 3 BODY Emmy Award winner Cherry Jones (Succession) and Ewan Mitchell (House of the Dragon).

As previously first announced by Deadline, the cast is topped by Mia Goth (Frankenstein) and also features Andrew Scott (All of Us Strangers), Frank Dillane (Urchin), and Nathan Stewart-Jarrett (Candyman).

Academy Award winner Allison Janney (The Diplomat) has also now been confirmed after previously being announced as being in talks for the production.

Plot details are under wraps but according to the spartan official synopsis, the psychological thriller unfolds in a seemingly idyllic and takes audiences on a vertiginous dive into the shifting limits of a sound mind, as grief and obsession take hold.

The picture is Triet’s first feature since her 2023 Cannes Palme d’Or-winning psychological thriller Anatomy of a Fall, which went on to enjoy a major awards-season run, garnering its star Sandra Hüller a Best Actress Academy Award nomination and clinching an Oscar for Best Original Screenplay.

It reunites Anatomy of a Fall producers Marie-Ange Luciani (Les Films de Pierre) and David Thion (Les Films Pelléas), in co-production with Delphine Tomson, Jean-Pierre and Luc Dardenne at Belgian company Les Films du Fleuve.

Mk2 Films is handling international sales, as well as financing and co-producing, alongside Studiocanal’s Anna Marsh, Francois Mergier and Assia Barge. Nathanaël Karmitz, Elisha Karmitz and Fionnuala Jamison are also credited as producers.

Shooting is scheduled from April to June 2026. Our sister publication Variety first published the cast and start of shoot announcement.