Brief
HBO’s ‘War’ introduces rival law firms Cathcarts & Sons and Taylor & Byrne
The series pits the established Cathcarts & Sons against the newcomer Taylor & Byrne in a high‑stakes divorce case.
By Felo News Desk · Published
HBO’s legal drama War centers on the divorce of actor Carla Duval and tech mogul Morgan Henderson, but the show’s first episode also introduces two fictional rival law firms battling over the case.
What happened
The episode reveals that Cathcarts & Sons, described as a "true London institution," represents Morgan, while Taylor & Byrne, a newer firm founded by married partners Nicholas Taylor and Serena Byrne, represents Carla.
What the reports add
Mashable lists the partners at Cathcarts & Sons as St. John Smallwood (played by Pip Torrens) and Beatrice Ubosi (Nina Sosanya), with junior members David Schill and Suzie Levitniik. Taylor & Byrne’s partners are Nicholas Taylor (James McArdle) and Serena Byrne (Phoebe Fox), supported by associates Michael Stefano and Nora Okafor, barrister Budgie, training associates Saeed Masood and Molly Giordano, and junior associate Johnny Warren.
What was said
The outlet notes that Beatrice Ubosi is nicknamed "Queen Bea" and "Her Majesty," while St. John Smallwood is characterized by a "caustic wit." It also points out that Johnny Warren is revealed as a mole for Cathcarts, feeding them information about Carla’s case.
How it came about
According to the guide, the rivalry is intensified by Serena Byrne’s former employment at Cathcarts, giving her a personal grudge against her old firm.
Key facts
- Cathcarts & Sons represents Morgan Henderson in the divorce (mashable.com)
- Taylor & Byrne represents Carla Duval (mashable.com)
- Johnny Warren is a mole for Cathcarts (mashable.com)
Sources
- [1] mashable.com — originally reported as “'War': Rival law firms Cathcarts and Sons and Taylor and Byrne, explained”







