The Undeclared War (2022): Where to Watch, Cast & Facts
An evergreen, sourced guide to The Undeclared War: streaming options, cast and core facts.

Here's the full cast of The Undeclared War (2022) — who plays who — plus where to watch and the essential facts about this TV series. The battle line is online
Where to watch
TMDB's U.S. watch-provider data lists Peacock Premium, Peacock Premium Plus. Availability changes by country and date, so check your streaming app before watching.
Cast
Hannah Khalique-Brown as Saara Parvan; Simon Pegg as Danny Patrick; Maisie Richardson-Sellers as Kathy Freeman; Edward Holcroft as James Cox; Adrian Lester as PM Andrew Makinde; Alex Jennings as David Neal; Hattie Morahan as Elizabeth Kahn; Ed Stoppard as Richard Marston
About The Undeclared War
In the post-pandemic world of 2024 during an upcoming British general election involving the UK’s first Black Conservative prime minister, a leading team of analysts at the heart of the UK’s NSA-style spy agency GCHQ attempt to ward off a cyber-attack on the country’s electoral system.
More like The Undeclared War
- The Avengers
- The State Within
- Tinker Tailor Soldier Spy
- Restless
- Pearson
- The Last Enemy
- Under the Dome
- Jake 2.0
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch The Undeclared War?
TMDB's U.S. watch-provider data lists Peacock Premium, Peacock Premium Plus. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of The Undeclared War?
Hannah Khalique-Brown as Saara Parvan; Simon Pegg as Danny Patrick; Maisie Richardson-Sellers as Kathy Freeman; Edward Holcroft as James Cox; Adrian Lester as PM Andrew Makinde; Alex Jennings as David Neal; Hattie Morahan as Elizabeth Kahn; Ed Stoppard as Richard Marston
Is this The Undeclared War guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



