Slow Horses Season 4 Filming Locations (2024)

The critically acclaimed Slow Horses is back for its fourth season, continuing the thrilling spy adventures of Jackson Lamb and his team of misfit MI5 agents. Released on Apple TV+ on September 4, 2024, this season continues the story of Slough House’s rejected MI5 agents, led by the grumpy but brilliant Jackson Lamb (played by Gary Oldman).

A notable addition in Season 4 is Hugo Weaving, who joins the cast as the antagonist Frank Harkness, a former CIA operative turned mercenary. Returning cast members include Saskia Reeves as Catherine Standish, Rosalind Eleazar as Louisa Guy, and Aimee-Ffion Edwards as Shirley Dander​.

Slow Horses Season 4 Filming Locations
Slow Horses Season 4 Filming Locations

Where Was Slow Horses Season 4 Filmed?

Just like its previous seasons, Slow Horses Season 4 stayed true to its roots with filming primarily in and around London, England.

London’s gritty streets and modern architecture offer the perfect backdrop for the series’ high-stakes espionage and tense encounters. Specific landmarks from earlier seasons, including the MI5 headquarters and the infamous Slough House, make a return, showcasing London’s varied settings for both its glitzy and shadowy operations.

Slow Horses Season 4 Filming Locations
Slow Horses Season 4 Filming Locations

There has been speculation about additional locations for Season 4, but many scenes continue to be shot in the city’s atmospheric neighborhoods, where the characters’ clandestine activities unfold.

When Did the Filming of Slow Horses Season 4 Take Place?

Filming for Season 4 was completed earlier in 2024, with reports suggesting that principal photography took place over several months in late 2023 and early 2024. The tight filming schedule allowed for an autumn release, continuing the annual trend of bringing the latest installment to fans in September.

Slow Horses Season 4 Filming Locations
Slow Horses Season 4 Filming Locations

Cast of Slow Horses Season 4

Gary Oldman returns as the foul-mouthed and brilliant Jackson Lamb, leading the Slough House team once again. Saskia Reeves reprises her role as the competent but troubled Catherine Standish, while Rosalind Eleazar (Louisa Guy) and Aimee-Ffion Edwards (Shirley Dander) also return. New faces include Hugo Weaving, who plays Frank Harkness, a former CIA agent turned mercenary, set to be the season’s main antagonist​.

What to Expect in Season 4?

In this season, the stakes are higher than ever, with Lamb’s team navigating deadly new threats both from within and outside of MI5. Alongside the usual spy craft and deception, the show promises tense encounters and unexpected twists that have kept viewers hooked from the start.

Slow Horses — Season 4 Official Trailer | Apple TV+

FAQ:

Where was Slow Horses Season 4 filmed?
Most of the filming took place in London, England.

When was Slow Horses Season 4 filmed?
Filming occurred in late 2023 and early 2024.

What is the release date of Slow Horses Season 4?
The season premiered on September 4, 2024.

Who is in the cast of Slow Horses Season 4?
Gary Oldman leads the cast, with returning actors Saskia Reeves, Rosalind Eleazar, and Aimee-Ffion Edwards. Hugo Weaving joins as the new antagonist, Frank Harkness.


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