The Undeclared War(2022)
The battle line is online
The Undeclared War Synopsis
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.
The Undeclared War (2022) is a war & politics, drama and sci-fi & fantasy series that premiered on June 30, 2022, spanning 2 seasons and 12 episodes. It stars Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers and Adrian Lester. Viewers rate it 6.1 out of 10 across 97 ratings.
- First aired:
- 2022-06-30
- Last aired:
- 2026-08-05
The Undeclared War (2022) Trailer
Watch the official trailer for The Undeclared War before you start streaming.
The Undeclared War Videos & Clips
Official trailers, teasers, clips and featurettes for The Undeclared War.
The Undeclared War | Official Trailer | Peacock Original
Trailer
The Undeclared War - Channel4 trailer
Trailer
The Undeclared War Cast & Crew
Main cast
Hannah Khalique-Brown
as Saara Parvan
Simon Pegg
as Danny Patrick
Maisie Richardson-Sellers
as Kathy Freeman
Adrian Lester
as PM Andrew Makinde
Sian Brooke
as Barbara Patrick
Explore more War & Politics shows
The Undeclared War Reviews & Ratings
Average viewer score of 6.1/10 from 97 ratings.
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The Undeclared War – Frequently Asked Questions
Where can I stream The Undeclared War?
+
The Undeclared War (2022) is available to stream on Peacock Premium and Peacock Premium Plus. Availability comes from JustWatch data and varies by country.
How many seasons of The Undeclared War are there?
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The Undeclared War has 2 seasons and 12 episodes in total, starting from its premiere on June 30, 2022.
Is The Undeclared War still running?
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No. The Undeclared War is marked as ended, with the final episode airing on August 5, 2026.
Who is in the cast of The Undeclared War?
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The Undeclared War (2022) stars Hannah Khalique-Brown, Simon Pegg, Maisie Richardson-Sellers, Adrian Lester and Sian Brooke. The full cast list with character names is available in the cast section of this page.
Is The Undeclared War any good?
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The Undeclared War (2022) is rated 6.1 out of 10 from 97 viewer votes, and suits viewers who like war & politics, drama and sci-fi & fantasy series. Reviews from viewers are collected further down this page.
Where can I watch the The Undeclared War trailer?
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The official The Undeclared War trailer is embedded in the trailer section of this page and plays instantly in your browser.