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The battle line is online


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.

  1. Peter Kosminsky


Series Cast

  1. Hannah Khalique-Brown as Saara Parvan

    Hannah Khalique-Brown

    Saara Parvan

    6 Episodes

  2. Simon Pegg as Danny Patrick

    Simon Pegg

    Danny Patrick

    6 Episodes

  3. Maisie Richardson-Sellers as Kathy Freeman

    Maisie Richardson-Sellers

    Kathy Freeman

    6 Episodes

  4. Edward Holcroft as James Cox

    Edward Holcroft

    James Cox

    6 Episodes

  5. Adrian Lester as PM Andrew Makinde

    Adrian Lester

    PM Andrew Makinde

    6 Episodes

  6. Alex Jennings as David Neal

    Alex Jennings

    David Neal

    6 Episodes

  7. Hattie Morahan as Elizabeth Kahn

    Hattie Morahan

    Elizabeth Kahn

    6 Episodes

  8. Ed Stoppard as Richard Marston

    Ed Stoppard

    Richard Marston

    6 Episodes

  9. Joss Porter as Phil D

    Joss Porter

    Phil D

    6 Episodes

  10. View More

Full Cast & Crew

Last Season

Season 1


2022 • 6 Episodes

Season 1 of The Undeclared War premiered on June 30, 2022.

Episode 6

(1x6, August 4, 2022) Season Finale

View All Seasons

The Undeclared War
The Undeclared War


Status Ended


  • See more TV shows from Channel 4...

Type Scripted

Original Language English


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