HBO isn’t saving their buzziest new release for Sunday nights.

“War,” a new drama starring Sienna Miller and Dominic West, premieres tonight, Oct. 1, on HBO and the HBO Max streaming service.

Per the network, “‘War’ is a high-stakes, legal drama following the lives of London’s most powerful lawyers as firms Cathcarts & Sons and Taylor & Byrne clash over a headline-grabbing legal battle.”

West plays a a high-profile tech mogul, while Miller stars as his wife, an internationally recognized film star. Their explosive divorce sets the scene for a legal battle between two powerful firms.

Ahead of its premiere tonight, “War” holds a 83% Certified Fresh rating on Rotten Tomatoes, indicating critical acclaim.

Given a two-season order initially, “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’ HBO release date

“War” premieres on HBO and HBO Max tonight, Oct. 1, at 9 p.m. ET.

Where to watch ‘War’

If you don’t get HBO through traditional cable, you’ll need an HBO Max subscription to tune in to “War.” If you’re new to HBO Max, you can sign up for as low as $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 bundle costs $19.99/month and without ads, $32.99/month.

‘War’ HBO episode release schedule

“War” will have eight episodes, airing weekly at 9 p.m. ET. See the full release schedule below.

• Episode 1: “It’s Done” – Oct. 1
• Episode 2: “No More Nasty Surprises” – Oct. 8
• Episode 3: Oct. 15
• Episode 4: Oct. 22
• Episode 5: Oct. 29
• Episode 6: Nov. 5
• Episode 7: Nov. 12
• Episode 8: Nov. 19

‘War’ on HBO cast

“War” stars Dominic West and Sienna Miller as Morgan Henderson and Carla Duval, respectively; they are the couple going through the divorce at the center of the story.

The series features a robust ensemble cast that also includes:

• 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, staffer at Taylor & Byrne
• 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

‘War’ HBO trailer

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This article was written by Angela Tricarico, Commerce Streaming 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 each streaming service. Not only does Angela test and compare the streaming services she writes about to ensure readers are getting the best prices, but she’s also a superfan specializing in the intersection of shopping, tech, sports, celebrities and pop culture. Prior to joining The Post in 2023, she wrote about streaming and consumer tech at Insider Reviews