Slow Horses Season 5: Release date news, cast, streaming details and more about the Apple TV+ thriller

Slow Horses has consistently delivered taut narratives that blend biting satire with jolting moments of suspense. (Apple TV/YouTube)
Slow Horses has consistently delivered taut narratives that blend biting satire with jolting moments of suspense. (Apple TV/YouTube)

The gripping world of Slow Horses is making a swift return, bringing with it the same sharp-tongued espionage and chaotic charm that have defined the series since its debut. Over the years, the show has gone from an underrated gem to a standout title on Apple TV+. It has proven to be a clever mix of dry humour, complex plotting, and stressed-out tension. This unique blend has built a devoted following.

Four critically acclaimed seasons down the road, Slow Horses is still showing that espionage stories can be as messy and human as they are thrilling. The show has staked out its own place in a contemporary pantheon of spycraft, one that operates as equal parts dark comedy and high tragedy. Season 5 is now poised to only deepen that storied tradition.


Slow Horses Season 5: Release date news, cast and streaming details

Slow Horses Season 5 will land on September 24 and will be released weekly until October 29. It will exclusively stream on Apple TV+, and the streaming giant has already picked up a sixth and seventh season of the series. Strikingly, production on Season 6 has already concluded while the fifth instalment is yet to premiere, an indication of the confidence the platform has in the series’ trajectory.

The cast for the fifth Season includes Gary Oldman as the dishevelled, razor-sharp Jackson Lamb, Kristin Scott Thomas as the calculating MI5 chief Diana Taverner, and Jack Lowden. Returning of old familiar faces include Saskia Reeves, Rosalind Eleazar, Christopher Chung, Aimee-Ffion Edwards, Ruth Bradley, James Callis, and Tom Brooke.


Slow Horses Season 5 plot and story details

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The new season is going to be based on London Rules (the fifth book in Mick Herron’s acclaimed Slough House series), an exciting blend of satire and tension. This time, the misfit agents of Slough House are caught up in a series of terrorist attacks that bring them dangerously close to the line of fire.

When resident tech whiz Roddy Ho gets swept up in a whirlwind romance with a maddeningly elusive new girlfriend, it triggers a chain of events. These soon spiral the outcasts into a vortex of battling parents, bullies, and vile cowards, forcing the team to crack a conspiracy that might jeopardise the nation.

British politics looms large over the narrative, with Samuel West’s populist MP Peter Judd set to create further chaos and Claude Whelan’s career in danger of melting away at any moment. The season also hints toward a surprise in River and Louisa’s dynamic, suggesting that their apparent closeness may be covering something even more dramatic.

Will Smith, returning as the showrunner and in his final season with the series, told RadioTimes:

"Putting Ho together with characters that might not be able to cope with him - there's real fun to that. The plot as well is, sadly, topical, is the other side to that. It comments on contemporary British politics."

Elucidating on whether Season 5 will change a few things from the source book, he added:

"In season 5, the challenge we had with that was Mick does a brilliant thing at the beginning where there's an attack, and he writes it, and you think you're somewhere in the Middle East, and then you reveal it’s Derbyshire, and that is brilliant. We cannot do that in the show."

Fans have watched Slough House’s misfit agents fumble their way through politically fraught, betrayal-laden, and slapstick-dotted missions. Somehow, they always manage to land on their feet in the strangest way possible. Slow Horses has consistently delivered taut narratives that blend biting satire with jolting moments of suspense. Its return promises another storm of covert operations gone awry.

Edited by Ritika Pal