
How to Watch Sienna Miller and Dominic West in the HBO Series ‘War’
HBO isn’t saving its liveliest new version for Sunday nights.
“War,” a new drama starring Sienna Miller and Dominic West, premieres tonight, October 1, on HBO and the streaming service HBO Max.
According to the network, “‘War’ is a high-stakes legal drama that follows the lives of London’s most powerful lawyers as the firms Cathcarts & Sons and Taylor & Byrne clash in a headline-grabbing legal battle.”
Watch “War”
- When: October 1 9 p.m. ET
- How to watch: HBO Max
- TV channel: HBO
West plays a high-profile tech mogul, while Miller plays his wife, an internationally renowned movie star. Their explosive divorce sets the stage for a legal battle between two powerful companies.
Ahead of its premiere tonight, “War” holds an 83% Certified Fresh rating on Rotten Tomatoes, indicating critical success.
Given an initial two-season order, “War” Season 2 already began production earlier this year. Starring Marisa Tomei, season 2 will shift the focus from a high-profile divorce to a defamation case.
“War” release date on HBO
“War” premieres on HBO and HBO Max tonight, October 1, at 9 p.m. ET.
Where to watch “War”
If you don’t get HBO via traditional cable, you’ll need an HBO Max subscription to stream “War.” If you’re new to HBO Max, you can sign up for just $10.99/month with ads, but an ad-free subscription will cost $18.49/month.
If you want to stream even more And save a few bucks a month while you’re at it, we recommend subscribing to one of the discounted Disney+ bundles with Hulu and HBO Max. With ads, the plan costs $19.99/month and without ads, $32.99/month.
Release schedule for “War” episodes on HBO
“War” will have eight episodes, airing weekly at 9 p.m. ET. See the full release schedule below.
- Episode 1: “It’s Done” – October 1
- Episode 2: “No more unpleasant surprises” – October 8
- Episode 3: October 15
- Episode 4: October 22
- Episode 5: October 29
- Episode 6: November 5
- Episode 7: November 12
- Episode 8: November 19
“War” cast at HBO
“War” stars Dominic West and Sienna Miller as Morgan Henderson and Carla Duval, respectively; they are the divorcing couple at the center of the story.

The series features a robust ensemble cast that also includes:
- Phoebe Fox as Serena Byrne, legal partner at Taylor & Byrne and wife of Nicholas
- James McArdle as Nicholas Taylor, a legal partner at Taylor & Byrne and Serena’s husband
- Pip Torrens as St. John Smallwood, legal 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 Taylor & Byrne staffer Michael Stefano
- Celia Imrie as Parakeet
- Shaheen Jafargholi as Saeed Masood, a trained 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 Cléo
- Mark Quartley as Fred Templeman
- Steve Furst as Bernard
- Emma Laird as Molly Giordano, a training associate at Taylor & Byrne and Saeed’s best friend
Trailer for “War” for HBO
Why trust Page Six Shopping
This article was written by Angela Tricarico, streaming commerce reporter for the New York Post, Page Six and Decider. Angela keeps readers up to date with information on how to watch all of your favorite reality TV shows and movies on every streaming service. Not only does Angela test and compare the streaming services she writes about to make sure readers get the best prices, but she’s also a superfan specializing in the intersection of shopping, tech, sports, celebrities, and pop culture. Before joining The Post in 2023, she wrote about streaming and consumer technology for Insider Reviews.
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