War (TV series)

*War*
War
Genre	Legal drama
Created by	George Kay
Directed by	Ben Taylor
Starring	Dominic West; Sienna Miller; Marisa Tomei; Kelly Macdonald; David Harewood; Richard Schiff;
Countries of origin	United Kingdom; United States;
Original language	English
No. of series	1
No. of episodes	8
Production
Executive producers	George Kay; Ben Taylor; Willow Grylls; Matt Sandford; Susan Breen; Andrea Dewsbury; Megan Spanjian;
Production companies	New Pictures; Observatory Pictures;
Original release
Network	Sky Television; HBO

War (stylised as WAR) is an upcoming legal drama television series created by George Kay for Sky Television and HBO, which will start airing from 2 October and 1 October 2026, respectively.

Premise

The first series is about two prestigious law firms in London, "Cathcarts" and "Taylor & Byrne," as they face off in a scandalous divorce case between a tech entrepreneur and his film star wife.^[1]

The second series follows the two rival law firms as they take on an explosive defamation case.^[2]

Cast and characters

Series 1

Main

Dominic West as Morgan Henderson, a high-profile tech mogul and Carla's husband
Sienna Miller as Carla Duval, a famous international film star and Morgan's wife
Phoebe Fox as Serena Byrne, law partner at Taylor & Byrne and Nicholas' wife
James McArdle as Nicholas Taylor, law partner at Taylor & Byrne and Serena's husband
Pip Torrens as St. John Smallwood, law partner at Cathcarts
Nina Sosanya as Beatrice "Queen Bea" Ubosi, law partner at Cathcarts
Archie Renaux as Jonathan "Johnny" Warren, an ambitious young lawyer
Nick Mohammed as Michael Stefano
Celia Imrie as Budgie
Shaheen Jafargholi as Saeed Masood, training associate at Taylor & Byrne and Molly's best friend
Akiya Henry as Nora Okafo
Honor Swinton Byrne as Bella Croft
Miles Jupp as David Schill
Kartanya Maynard as Suzie Levitniik
Alexandra Mardell as Cleo
Mark Quartley as Fred Templeman
Steve Furst as Bernard
Emma Laird as Molly Giordano, training associate at Taylor & Byrne and Saeed's best friend

Guest

Rose Williams as Flora Monroe
Camille Coduri as Mumsy Monroe
Aran Murphy as Gabriel

Series 2

Marisa Tomei as Avery Reed
Kelly Macdonald as Jo MacNeil
David Harewood as Jefferson Allen
Richard Schiff as Elliott Wyatt
Claire Skinner
Omari Douglas
Kadiff Kirwan
Douglas Booth
Charles Edwards
Luca Pasqualino
Rebecca Front
Alexandra Maria Lara
Linus Roache
Violet Braeckman
Sasha Behar
Sid Phoenix
Cornelius Booth
Megan Channell

Production

Development

Sky UK and co-producer HBO ordered two seasons of the series in an anthology format. George Kay is the show's creator and showrunner with Ben Taylor as director. The series is produced by New Pictures and Observatory Pictures. Executive producers include Kay, Taylor, Willow Grylls, Matt Sandford, Susan Breen, Andrea Dewsbury and Megan Spanjian.^[3] Alongside Kay, the writers of the series include Kelly Jones, Jess Brittain, Catherine Shepherd, Yemi Oyefuwa and Krissie Ducker.^[2]

Casting

The cast of the first series is led by Dominic West and Sienna Miller with Phoebe Fox, James McArdle, Pip Torrens, Nina Sosanya and Archie Renaux.^[4] Nick Mohammed, Celia Imrie, Shaheen Jafargholi, Akiya Henry, Honor Swinton Byrne, Miles Jupp, Kartanya Maynard, Alexandra Mardell, Mark Quartley and Steve Furst have series regular roles, while Rose Williams, Camille Coduri, Mumsy Monroe and Aran Murphy joined the cast in guest roles for series one.^[5] In November 2025, it was announced that Emma Laird joined the cast for series one.^[6]

The cast of the second series is led by Marisa Tomei, Kelly Macdonald, David Harewood and Richard Schiff, with Claire Skinner, Omari Douglas, Kadiff Kirwan, Douglas Booth, Charles Edwards, Luca Pasqualino, Rebecca Front, Alexandra Maria Lara, Linus Roache, Violet Braeckman, Sasha Behar, Sid Phoenix, Cornelius Booth and Megan Channell.^[2]

Filming

Principal photography began in September 2025, with filming taking place at the OMA X Film Studios, in Enfield, London.^[7] In May 2026, it was announced that the filming of the first series had been wrapped in February and the second series would go into production.^[8]

Release

The eight-part series is scheduled to premiere on 1 October 2026 on HBO and 2 October 2026 on Sky Atlantic.^[9]

References

↑ Shafer, Ellise (20 August 2025). "Dominic West and Sienna Miller to Star in Legal Thriller Series War at HBO and Sky, Season 2 Already Greenlit". Variety. Retrieved 20 August 2025.
1 2 3 Ford, Lily (7 May 2026). "Marisa Tomei, Kelly Macdonald, David Harewood Board Season 2 of Sky and HBO Legal Drama 'War'". The Hollywood Reporter. Retrieved 8 May 2026.
↑ White, Peter (20 August 2025). "Dominic West & Sienna Miller To Star In Legal Thriller War For HBO & Sky From George Kay". Deadline Hollywood. Retrieved 20 August 2025.
↑ Anderton, Joe (20 August 2025). "New London-set "scandal-soaked legal thriller" packed with "twists and betrayal" confirmed". Digital Spy. Retrieved 20 August 2025.
↑ Szalai, Georg (22 October 2025). "HBO, Sky Legal Thriller 'War' Casts 'Slow Horses' Star Nick Mohammed, Celia Imrie". Hollywood Reporter. Retrieved 23 October 2025.
↑ Szalai, Georg (6 November 2025). "Emma Laird Joins HBO & Sky Legal Series 'War' With Dominic West & Sienna Miller". Deadline. Retrieved 7 November 2025.
↑ Lodderhose, Diana (29 September 2025). "2025 film and high-end TV productions shooting in the UK and Ireland: latest updates". Screen Daily. Retrieved 1 October 2025.
↑ Yossman, K.J. (7 May 2026). "Marisa Tomei, Kelly Macdonald and David Harewood Set for Second Season of HBO, Sky Legal Drama 'War'". Variety. Retrieved 7 May 2026.
↑ Kanter, Jake (6 August 2026). "War First Look & Trailer: Dominic West & Sienna Miller Do Battle In HBO/Sky Divorce Drama". Deadline Hollywood. Retrieved 6 August 2026.

External links

War at IMDb

[1] Shafer, Ellise (20 August 2025). "Dominic West and Sienna Miller to Star in Legal Thriller Series War at HBO and Sky, Season 2 Already Greenlit". Variety. Retrieved 20 August 2025.

[:0-2] 1 2 3 Ford, Lily (7 May 2026). "Marisa Tomei, Kelly Macdonald, David Harewood Board Season 2 of Sky and HBO Legal Drama 'War'". The Hollywood Reporter. Retrieved 8 May 2026.

[3] White, Peter (20 August 2025). "Dominic West & Sienna Miller To Star In Legal Thriller War For HBO & Sky From George Kay". Deadline Hollywood. Retrieved 20 August 2025.

[4] Anderton, Joe (20 August 2025). "New London-set "scandal-soaked legal thriller" packed with "twists and betrayal" confirmed". Digital Spy. Retrieved 20 August 2025.

[5] Szalai, Georg (22 October 2025). "HBO, Sky Legal Thriller 'War' Casts 'Slow Horses' Star Nick Mohammed, Celia Imrie". Hollywood Reporter. Retrieved 23 October 2025.

[6] Szalai, Georg (6 November 2025). "Emma Laird Joins HBO & Sky Legal Series 'War' With Dominic West & Sienna Miller". Deadline. Retrieved 7 November 2025.

[7] Lodderhose, Diana (29 September 2025). "2025 film and high-end TV productions shooting in the UK and Ireland: latest updates". Screen Daily. Retrieved 1 October 2025.

[8] Yossman, K.J. (7 May 2026). "Marisa Tomei, Kelly Macdonald and David Harewood Set for Second Season of HBO, Sky Legal Drama 'War'". Variety. Retrieved 7 May 2026.

[9] Kanter, Jake (6 August 2026). "War First Look & Trailer: Dominic West & Sienna Miller Do Battle In HBO/Sky Divorce Drama". Deadline Hollywood. Retrieved 6 August 2026.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]