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The Undeclared War

The battle line is online

  • TV series
  • 2022
  • 2 seasons
  • 12 episodes

Created by Peter Kosminsky

6.3

TMDB audience rating
6.3 out of 10 from 105 votes

Where to watch Trailer

Overview

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.

Roughly 9h 24m to watch every episode. This is an estimate: 12 episodes at the typical episode runtime of 47 minutes.

Where to watch

Official offers in the United States

Subscription

Included with a paid subscription
  • Peacock Premium
  • Peacock Premium Plus

Buy

Pay once to keep a digital copy
  • Amazon Video
  • Apple TV Store
  • Fandango At Home

Prices and links on TMDB

Availability data by JustWatch, provided through TMDB. Offers vary by country and change often, so confirm with the service before you subscribe, rent or buy. WatchTrove does not host or stream video.

Trailer

Play trailer: The Undeclared War | Official Trailer | Peacock Original

Official video hosted on YouTube. The player loads only when you press play.

Series cast and crew

  • Hannah Khalique-Brown

    Hannah Khalique-BrownSaara Parvan
    12 episodes

  • Simon Pegg

    Simon PeggDanny Patrick
    12 episodes

  • Maisie Richardson-Sellers

    Maisie Richardson-SellersKathy Freeman
    12 episodes

  • Adrian Lester

    Adrian LesterPM Andrew Makinde
    12 episodes

  • Edward Holcroft

    Edward HolcroftJames Cox
    6 episodes

  • Alex Jennings

    Alex JenningsDavid Neal
    6 episodes

  • Hattie Morahan

    Hattie MorahanElizabeth Kahn
    6 episodes

  • Ed Stoppard

    Ed StoppardRichard Marston
    6 episodes

  • Sian Brooke

    Sian BrookeBarbara Patrick
    6 episodes

  • Joss Porter

    Joss PorterPhil D
    6 episodes

  • Tom McKay

    Tom McKayMax K
    5 episodes

  • German Segal

    German SegalVadim Trusov
    5 episodes

  • Mark Rylance

    Mark RylanceJohn Yeabsley
    4 episodes

  • Gavi Singh Chera

    Gavi Singh CheraSajid Parvin
    4 episodes

  • Jamie Muscato

    Jamie MuscatoFinn
    4 episodes

  • Andrew Rothney

    Andrew RothneyRich T
    4 episodes

  • Yasmin WildeBushra Yousafzai
    4 episodes

  • Julian Harries

    Julian HarriesNational Security Advisor
    4 episodes

Created by
Peter Kosminsky
Network
Channel 4

Seasons and episodes