Mia Threapleton, Danny Huston Join 'The Price of Peace' Cast as Filming Begins
The two actors have boarded the Anthony McCarten-directed political thriller, which has started principal photography in London.

“The Potsdam Conference represented a crucial turning point in world history, the moment when World War II transformed into the Cold War.”
- Director
- Anthony McCarten
- Starring
- Guy Pearce, Jared Harris, Merab Ninidze
- Genre
- Thriller
Mia Threapleton and Danny Huston have joined the cast of Anthony McCarten's historical thriller The Price of Peace, with filming now underway in London, according to Deadline.
They join previously announced leads Guy Pearce as President Harry S. Truman, Jared Harris as Prime Minister Winston Churchill, and Merab Ninidze as Joseph Stalin. Threapleton will play Mary Churchill, while Huston will portray General Groves.
What is 'The Price of Peace' about?
The film dramatizes the 1945 Potsdam Conference, where the allied leaders gathered to decide the fate of post-war Europe. The story follows the personal and political agendas of each man as they navigate a high-stakes diplomatic chess game that would set the stage for the Cold War. The synopsis describes it as a moment where the leaders' decisions would impact millions and shape global politics for decades.
What has the filmmaker said?
Anthony McCarten, a four-time Academy Award-nominated writer behind films like Darkest Hour and The Theory of Everything, expressed his excitement about the project. "The Potsdam Conference represented a crucial turning point in world history, the moment when World War II transformed into the Cold War," he said. "I’m thrilled to begin production with such an extraordinary cast bringing this pivotal moment to life."
Production company SND, which is handling international sales, noted strong interest from global distributors following a presentation at the European Film Market earlier this year. The film is produced by Raccoon Features, Muse of Fire Productions, and Salloway Studios, among others.
Frequently Asked Questions
Who is Mia Threapleton playing in the film?
Mia Threapleton has been cast as Mary Churchill, the daughter of Prime Minister Winston Churchill, in the historical drama.
Who is directing 'The Price of Peace'?
The film is directed by Anthony McCarten, the writer behind acclaimed biographical dramas such as The Theory of Everything, Darkest Hour, and Bohemian Rhapsody.
More from The Screen Report

Peter Lassally, the Quiet Kingmaker of Late Night, Dies at 93 — and the Tributes Say It All
The legendary producer who shaped Johnny Carson, David Letterman, and Craig Ferguson has died, and the internet is paying heartfelt respects to the man who made TV magic from the shadows.

Ryan Reynolds Confirms Another Deadpool Movie Is in the Works
The actor announced the news during Fanatics Fest 2026, following the record-breaking success of 'Deadpool & Wolverine.'

Megan Fox Set to Return for 'Jennifer's Body' Sequel
The supernatural cult classic is getting a follow-up, with original writer Diablo Cody and director Karyn Kusama also developing the project.

Alan Ritchson's Netflix Sequel Officially Titled 'War Machines'
The title for the 'War Machine' follow-up was teased on Instagram, with the film reportedly in development with a major budget.