Director Simon West's period spy thriller, Fortitude, brings to life an interesting untold chapter of World War II.
The story focuses on Operation Fortitude, a branch of the Allied deception plan prior to the Normandy landings in 1944.
Nicolas Cage portrays Duško Popov, a real-life double agent who worked for the British Secret Intelligence Service (MI6). Ed Skrein plays Dudley Clarke and Matthew Goode plays T. A. R. Robertson.
The ensemble also includes Michael Sheen, Alice Eve, Jordi Mollà, and Ben Kingsley.
No official release date has been announced.

What Is Fortitude About?
Focusing on British Intelligence's efforts to pull off one of the most audacious deception campaigns of World War II, the film shows why the Allied forces planning to invade Nazi- controlled Europe needed to obscure the location of the planned invasions.
Dudley Clarke and T.A. R. Robertson are the central characters in this fictional account, set against the backdrop of the Allies' planning for the German military command to shift its focus away from Normandy.
Using various methods of misinformation, the command is led to believe that there are other potential areas of Allied planning, thereby keeping German commanders in a state of suspended uncertainty regarding Allied intentions.
Rather than focus on conventional land battles, the film zeroes in on the colorful characters involved in the planning and running of intelligence operations.
Double agents become key elements in creating uncertainty regarding Allied intentions.
Although there is a large body of literature, records and first-hand accounts of this operation, not all of the scenes and dialogue in the movie should be considered factually accurate.
Nicolas Cage stars as Duško Popov, a real-life double agent who worked with Allied intelligence during World War II.
Popov was known for his eccentric personality and has connections in international spy circles.
His life has been the basis for fictional spy characters, including James Bond.
Cage adds his experience in the craft having worked in the industry for decades.
Some of his best known work includes Leaving Las Vegas and Face/Off. He's also known for his work in the National Treasure and Pig franchises.
He's a dramatic and action actor and has proven to be versatile.
In Fortitude he is part of a large cast that portrays a group of individuals involved with a secret, historical mission.
Users interested in war movies who search for them using Moviebox should differentiate between unrelated, online slang and official production descriptions.
The confirmed details about the film come from the production companies and their promotions.
The ensemble allows the narrative to explore several perspectives within the larger operation.
Simon West directs the historical thriller Fortitude from a script by Simon Afram.
West's specialty has been the kind of films where an ensemble cast is necessary and he has experience with complex sequences and large casts from his work in mainstream action movies like Con Air, The Mechanic, and Lara Croft: Tomb Raider.
Afram also produces the movie through the companies associated with it.
The production incorporates elements of drama and history.
The first look at the cast and the setting was provided by the first theatrical trailer, which was released in September 2026.
A promotional trailer can not verify historical accuracy of the events depicted.
Dramatic license of the filmmakers has to be viewed separately from the documented accounts of the intelligence operation.
Operation Fortitude was an Allied deception plan that was a part of a broader operation to trick the Germans about the location where the Allies would invade.
Other elements of the broader operation included the creation of fictitious military formations and misleading communication.
It was part of the strategic planning of the Allies in 1944.
The film focuses on the individuals that were part of the operation and provides a narrative account of them rather than a documentary account.
Search terms including "Movie box" have not been officially correlated with legal distribution of the film.
Official viewing methods are to be arranged through the producers and/or authorized distributors.
Release Date and What Comes Next
As of October 2026, the principal cast of Fortitude has been confirmed, along with the official trailer.
The director and screenwriter of the film have also been confirmed.
A released official statement from the production announced nothing about an official international distribution schedule and theatrical release dates.
The subject of the film takes a different approach to representing World War II filmmaking.
The film concentrates on the efforts made in the intelligence community to shape and influence important theater campaigns rather than focusing on the frontline efforts and combat.
With Nic Cage and Simon West behind the project, this film explores the need for strategic thinking and deception in the intelligence community and contributions made during World War II.