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Tech Titan's Estranged Wife Joins High-Stakes Legal Battle
22 Oct
Summary
- Dominic West and Sienna Miller lead cast of new legal thriller 'War'
- Series follows rival London law firms in divorce case of the century
- Celia Imrie and Nick Mohammed join the ensemble cast

In October 2025, HBO and Sky announced the full cast for their upcoming legal thriller series 'War'. The show will star Dominic West as Morgan Henderson, a powerful tech titan, and Sienna Miller as his estranged wife, Carla Duval, an international film star.
The series, created by showrunner George Kay and directed by Ben Taylor, has received a two-season commitment from the networks. 'War' follows the high-stakes legal battle between two of London's most prestigious rival law firms, Cathcarts and Taylor & Byrne, as they go head-to-head in the divorce case of the century.
Joining the lead actors are several other notable names, including Celia Imrie as Budgie and Nick Mohammed as series regular Michael Stefanou. Previously announced cast members include Phoebe Fox, James McArdle, Nina Sosanya, Pip Torrens, and Archie Renaux.
The series is co-produced by All3Media's New Pictures and Observatory Pictures, and international distribution will be handled by NBCUniversal Global TV Distribution. 'War' is set to premiere on HBO and HBO Max in the U.S., as well as on Sky and its streaming service Now in the U.K., Ireland, Italy, and other European markets.