Watch WAR on NOW
Two law firms. One courtroom. And a legal battle for the ages. Starring Dominic West and Sienna Miller.
Stream 2 October with either an Entertainment or an Entertainment & HBO Max Membership
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WAR
TV Series· Drama· 1 Season· 8 Episodes· 2026
About the series
Courtroom dramas are getting a major shakeup with WAR, a new legal thriller that promises power plays, deep rivalries, and media spectacle.
WAR Season 1 follows two elite London law firms, Cathcarts and Taylor & Byrne, locked in a fierce legal battle over a sensational divorce case between a tech billionaire and a film star. As personal vendettas and professional ambitions collide, sparks will fly and the case will fracture, revealing manipulations and betrayals galore.
Sienna Miller and Dominic West lead the star-studded WAR cast in the highly anticipated anthology series, created in tandem by HBO and Sky.
With razor-sharp writing, a stellar lineup, and the glamorous backdrop of the London legal scene, the WAR series is set to turn legal warfare into unmissable television.
WAR Season 1 follows two elite London law firms, Cathcarts and Taylor & Byrne, locked in a fierce legal battle over a sensational divorce case between a tech billionaire and a film star. As personal vendettas and professional ambitions collide, sparks will fly and the case will fracture, revealing manipulations and betrayals galore.
Sienna Miller and Dominic West lead the star-studded WAR cast in the highly anticipated anthology series, created in tandem by HBO and Sky.
With razor-sharp writing, a stellar lineup, and the glamorous backdrop of the London legal scene, the WAR series is set to turn legal warfare into unmissable television.
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Any questions?
Where can I watch WAR?- WAR is coming soon to NOW. You will be able to watch in the UK in the NOW app. You just need either a NOW Entertainment Membership, or a NOW Entertainment & HBO Max Membership. It’s quick and easy to join. Click here to explore Entertainment Memberships.
- Who is in the cast of WAR?
- The first series is led by Dominic West and Sienna Miller. It also features Phoebe Fox, James McArdle, Nina Sosanya, Pip Torrens, and Archie Renaux.
- What is the HBO TV show WAR about?
- WAR is an upcoming legal drama television series by Sky and HBO, following two prestigious London law firms as they clash in high-stakes legal cases.
- Who created WAR?
- George Kay created the series and serves as showrunner, with additional writers including Kelly Jones, Jess Brittain, Catherine Shepherd, Yemi Oyefuwa, and Krissie Ducker.
- Where was WAR filmed?
- Principal photography began in September 2025 at OMA X Film Studios in Enfield, London.
- When does WAR Season 1 premiere in the UK?
- WAR Season 1 is set to premiere in the UK in 2026.
- What's the difference between Entertainment and Entertainment & HBO Max Memberships?
- A NOW Entertainment Membership brings you all the biggest returning hit series from HBO, alongside unmissable Sky Originals, exclusive US shows and reality from Hayu.
A NOW Entertainment & HBO Max Membership includes HBO Max Basic with Ads. Watch every episode of every HBO Max series, alongside unmissable exclusive US shows, Sky Originals, and reality from Hayu.