Slow Horses poster

Slow Horses

2022 to present Crime, Drama, Mystery 6 seasons

TMDB rating 8.1/10 Between seasons

Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.

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Seasons6

  • When a young man is kidnapped and threatened with beheading, the slow horses find themselves unexpectedly embroiled in a dangerous case that forces them to prove their worth.

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    TMDB rating 7.9/10

  • Long-buried Cold War secrets emerge which threaten to bring carnage to the streets of London. When a liaison with Russian villains takes a fatal turn, our hapless heroes must overcome their individual failings and raise their spy game in a race to prevent a catastrophic incident.

    All episodes available

    TMDB rating 8.1/10

  • A romantic liaison in Istanbul threatens to expose a buried MI5 secret in London. When Jackson Lamb and his team of misfits are dragged into the fight, they find themselves caught in a conspiracy that threatens the future not just of Slough House but of MI5 itself.

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    TMDB rating 8.3/10

  • In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.

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    TMDB rating 8.3/10

  • In season five, everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend. When a series of increasingly bizarre events occur across the city, it falls to the Slow Horses to work out how everything is connected. After all, Lamb knows that in the world of espionage, the London Rules — cover your back — always apply.

    All episodes available

    TMDB rating 8.2/10

  • In season six, the Slow Horses are on the run as Diana Taverner embroils them all in a fatally high-stakes game of retaliation and revenge.

    All episodes available

    TMDB rating 8.1/10

Cast and details

  • Gary OldmanJackson Lamb
  • Jack LowdenRiver Cartwright
  • Kristin Scott ThomasDiana Taverner
  • Saskia ReevesCatherine Standish
  • Christopher ChungRoddy Ho
  • Aimee-Ffion EdwardsShirley Dander
  • Rosalind EleazarLouisa Guy
  • Kadiff KirwanMarcus Longridge
  • Ruth BradleyEmma Flyte
  • Tom BrookeJK Coe
  • Jonathan PryceDavid Cartwright
  • Samuel WestPeter Judd
Network
Apple TV
First aired
Apr 1, 2022
Latest episode
Oct 21, 2026

Cross

2024

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Release dates are original schedules and may differ from availability in your country. A release never marks anything as watched. Last checked Nov 2, 2026.Schedule data from TVmaze, CC BY-SA.