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Entertainment
Michael Balderston

Slow Horses season 5: release date, cast, first look and everything we know about the Gary Oldman spy drama

Gary Oldman on the phone as Jackson Lamb in Slow Horses.

There's no rest for the Slow Horses, as the ragtag group of spies are back for another mission in Slow Horses season 5.

Slow Horses has become one of the longest-running and most successful Apple TV Plus originals. Its third season earned the show its first slate of Emmy nominations, including one for Outstanding Drama Series and a win for creator Will Smith in Outstanding Writing for a Drama Series, while the show has also racked up 11 BAFTA TV nominations and two wins over its run thus far. There are no signs of it slowing down, as there are eight books in his Slough House series, four of which haven't been adapted by the show.

What book are they tackling next? When can we expect to watch Slow Horses season 5? We've got everything we know about the latest season of the spy drama right here.

Slow Horses season 5 release date

Slow Horses season 5 premieres on Wednesday, September 24, worldwide on Apple TV Plus.

The first two episodes of the six-episode season will be available immediately, followed by one new episode a week on subsequent Wednesdays until the season concludes on October 22.

You will need an Apple TV Plus subscription to watch the new season of Slow Horses. If you already have it or sign up ahead of the season 5 premiere, you can also catch up with the show from the beginning to now on the streamer.

Slow Horses season 5 cast

The main ensemble cast is all back for Slow Horses season 5. Led by Gary Oldman as Jackson Lamb, the rest of cast includes:

  • Jack Lowden as River Cartwright
  • Kristin Scott Thomas as Diana Taverner
  • Rosalind Eleazar as Louisa Guy
  • Saskia Reeves as Catherine Standish
  • Christopher Chung as Roddy Ho
  • Aimee-Ffion Edwards as Shirley Dander
  • Ruth Bradley as Emma Flyte
  • James Callis as Claude Whelan
  • Tom Brooke as JK Coe
  • Jonathan Pryce as David Cartwright

There is one confirmed guest star for Slow Horses season 5 at this point — Ted Lasso's Nick Mohammed.

Check out some Slow Horses season 5 first look images right here:

Gary Oldman in Slow Horses (Image credit: Apple TV)
Jack Lowden in Slow Horses (Image credit: Apple TV)
Rosalind Eleazar, Christopher Chung, Saskia Reeves, Aimee-Ffion Edwards and Jack Lowden in Slow Horses (Image credit: Apple TV)
Kristin Scott Thomas and James Callis in Slow Horses (Image credit: Apple TV)
Christopher Chung holding a sword in Slow Horses (Image credit: Apple TV)
Christopher Chung dancing with a woman in a club in Slow Horses (Image credit: Apple TV)
Aimee-Ffion Edwards and Saskia Reeves in Slow Horses (Image credit: Apple TV)
Jack Lowden and Tom Brooke in Slow Horses (Image credit: Apple TV)
Ruth Bradley and Christopher Chung in Slow Horses (Image credit: Apple TV)
Kristin Scott Thomas an Gary Oldman in Slow Horses (Image credit: Apple TV)
Nick Mohammed in Slow Horses (Image credit: Apple TV)

Slow Horses season 5 plot

Here is the official synopsis for Slow Horses season 5 from Apple TV Plus:

"In season five of Slow Horses, everyone is suspicious when resident tech nerd Roddy Ho has a glamorous new girlfriend, but 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."

This season is based on the Slough House series book London Rules. Here is the book synopsis for some more background.

"At MI5 headquarters Regent's Park, First Desk Claude Whelan is learning this the hard way. Tasked with protecting a beleaguered prime minister, he's facing attack from all directions: from the showboating MP who orchestrated the Brexit vote, and now has his sights set on Number Ten; from the showboat's wife, a tabloid columnist, who's crucifying Whelan in print; from the PM's favorite Muslim, who's about to be elected mayor of the West Midlands, despite the dark secret he's hiding; and especially from his own deputy, Lady Di Taverner, who's alert for Claude's every stumble. Meanwhile, the country's being rocked by an apparently random string of terror attacks.

"Over at Slough House, the MI5 satellite office for outcast and demoted spies, the agents are struggling with personal problems: repressed grief, various addictions, retail paralysis and the nagging suspicion that their newest colleague is a psychopath. Plus someone is trying to kill Roddy Ho. But collectively, they're about to rediscover their greatest strength — that of making a bad situation much, much worse.

"It's a good thing Jackson Lamb knows the rules. Because those things aren't going to break themselves."

Slow Horses season 5 trailer

Fans were treated to a preview of Slow Horses season 5 at the end of the Slow Horses season 4 finale. Highlights include someone trying to kill Roddy, River kissing Louisa and Lamb's epic backhanded compliment of his team ("at least my lot f**k up on an epic scale, they're not just run of the mill f**k ups like yours.")

Apple TV Plus has not released the teaser trailer online, so if you want to watch you're going to need to watch the Slow Horses season 4 finale and stick around to the very end.

Slow Horses behind the scenes

It's already been confirmed that there is going to be a Slow Horses season 6, so no need to worry about season 5 being the last in the series.

Also, for a bit of fun, watch this video that sees the cast of Slow Horses guess which characters said certain lines:

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