The Undeclared War poster

TV Series

The Undeclared War (2022)

The battle line is online

TMDB user score 6.3/10
from 105 votes on TMDB

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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.

Where to watch The Undeclared War

Stream with a subscription

  • Peacock Premium
  • Peacock Premium Plus

Buy

  • Amazon Video
  • Apple TV Store
  • Fandango At Home

See all viewing options in United States

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Official trailer

Play: The Undeclared War | Official Trailer | Peacock Original

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Seasons

Series cast

  • Hannah Khalique-Brown Hannah Khalique-Brown Saara Parvan 12 episodes
  • Simon Pegg Simon Pegg Danny Patrick 12 episodes
  • Maisie Richardson-Sellers Maisie Richardson-Sellers Kathy Freeman 12 episodes
  • Adrian Lester Adrian Lester PM Andrew Makinde 12 episodes
  • Edward Holcroft Edward Holcroft James Cox 6 episodes
  • Alex Jennings Alex Jennings David Neal 6 episodes
  • Hattie Morahan Hattie Morahan Elizabeth Kahn 6 episodes
  • Ed Stoppard Ed Stoppard Richard Marston 6 episodes
  • Sian Brooke Sian Brooke Barbara Patrick 6 episodes
  • Joss Porter Joss Porter Phil D 6 episodes
  • Tom McKay Tom McKay Max K 5 episodes
  • German Segal German Segal Vadim Trusov 5 episodes
  • Mark Rylance Mark Rylance John Yeabsley 4 episodes
  • Gavi Singh Chera Gavi Singh Chera Sajid Parvin 4 episodes
  • Jamie Muscato Jamie Muscato Finn 4 episodes
  • Andrew Rothney Andrew Rothney Rich T 4 episodes
  • Yasmin Wilde Bushra Yousafzai 4 episodes
  • Julian Harries Julian Harries National Security Advisor 4 episodes

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