TV series that’s ‘better than Line of Duty’ makes gutting announcement

Gary Oldman as Jackson Lamb in Slow Horses
Slow Horses is undergoing a major behind-the-scenes shake up (Picture: Apple TV+/Jack English)

The creator behind Apple TV Plus’ hit spy thriller Slow Horses is exiting the show after five seasons, it has been confirmed.

Will Smith, the mastermind behind the beloved Gary Oldman adaptation about a ‘dysfunctional team of MI5 agents’, has been writing and executive producing the Slough House series since season one.

His acclaimed work has not only scored him an Emmy with more nominations in the pipeline, but Slow Horses also boasts an impressive 98% on Rotten Tomatoes.

As such, not only has the show (also starring Jack Lowden and Jonathan Pryce) proved a mammoth success for the streamer, but it has been praised by fans for its speedy production.

Three years after it first aired, fans are already looking towards the fifth season which comes out in September, with season six and seven officially on the way.

Per Variety, season six, which has already finished filming, will be helmed by Gaby Chiappe (behind ITV’s crime drama The Level) while All Creatures Great and Small creator Ben Vanstone will step in for season seven which rolls cameras this autumn.

English writer Will Smith
Creator Will Smith is not returning for the sixth or seventh season of Slow Horses (Picture: Getty)

The publication added that Smith – who is also behind shows like Veep and The Thick of It – is not involved in these two seasons at all.

It’s all very reminiscent of BBC’s hit thriller Killing Eve, which switched up showrunner every season to varying levels of success.

Smith’s next project will be adapting Andrew O’Hagan’s Caledonian Road for the screen, which investigates class and wealth in modern-day Britain.

Jack Lowden as agent River Cartwright in a scene from Slow Horses.
Two established British writers will be taking over the gig (Picture: Apple TV+
/ AP)

Based on Mick Herron’s bestselling espionage series, season seven already has a synopsis, despite the fifth not even being out yet.

The official synopsis explained the new episodes would follow the conventional group trying to find and neutralise a mole at the heart of the British Government – in line with the plot of Herron’s seventh novel Bad Actors.

In a statement, Jay Hunt, creative director of Europe for Apple TV+ also confirmed Oldman’s reprisal of his role as the unkempt and grumpy Jackson Lamb (who becomes a reluctant mentor to agent River Cartwright portrayed by Jack).

A close up of Gaby Chiappe
Gaby Chiappe is the first writer taking over season six (Picture: John Phillips/Getty Images for BFI)
Ben Vanstone holding a microphone
Ben Vanstone follows hot on her heels with season seven (Picture: John Sciulli/Variety via Getty Images)

He added: ‘Slow Horses has won fans all over the world with its unique mix of self-deprecating British humour and high-octane action.

‘I’m delighted viewers will have another season to enjoy Gary’s magnificent performance as Jackson Lamb alongside the Slow Horses’ slightly inept spycraft.’

The show is also onboarding a new director with Ludwig’s Robert McKillop.

Each season contains six episodes and there’s promise of even more seasons ahead with the author behind the novel series already working on the ninth book.

Slow Horses is available to stream on Apple TV Plus. Season five hits screens on September 24, 2025.

Metro has reached out to Apple TV+ for comment.

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