Slow Horses Series 7 Is Coming — And It Promises the Sharpest, Darkest Ride Yet

Slow Horses is back… again! And this time, it’s coming with a vengeance. The “magnificent” spy drama — now officially renewed for a seventh season — is set to deliver another round of scathing wit, messy espionage, and the kind of sharp-tongued brilliance that has turned the show into one of Apple TV+’s most acclaimed originals.

Leading the charge once more is Sir Gary Oldman, freshly knighted and returning as the gloriously grumpy Jackson Lamb, the slovenly spymaster whose insults sting almost as much as his strategic genius. For fans of British intelligence thrillers, series 7 looks like another six-episode masterclass in tension, character, and chaos.

A “Significant” Challenge Ahead

Producers have teased that the new season will bring a “significant challenge” for the Slough House team — one that tests not only their spycraft but their fragile loyalty to one another. After the betrayals, losses, and shocks of previous seasons, Lamb’s motley crew of MI5 cast-offs will once again find themselves dragged into a mission nobody wants and everyone might regret.

Details remain tightly under wraps, but insiders hint that series 7 could push the team to confront the moral limits of espionage itself. “This season digs deeper into the cost of failure,” one source said. “It’s funny, bleak, and brutally human — everything Slow Horses should be.”

The Cast: Returning Favourites and New Faces

Alongside Oldman, viewers can expect the return of the show’s impeccable ensemble cast. Jack Lowden reprises his role as River Cartwright, the young, ambitious agent forever trying to escape the purgatory of Slough House. Kristin Scott Thomas is back as Diana Taverner, the coldly calculating MI5 deputy director whose relationship with Lamb continues to oscillate between reluctant respect and mutual loathing.

Also returning are Saskia Reeves as the quietly formidable Catherine Standish, Rosalind Eleazar as the unflappable Louisa Guy, and Christopher Chong, Kadiff Kirwan, and Jonathan Pryce in supporting roles that add depth to the show’s morally tangled world.

Rumours suggest several new characters will join the fray, though Apple TV+ has yet to confirm who they are. Given the show’s history, expect a mix of political operatives, back-channel informants, and the occasional dangerous wildcard.

What Makes Slow Horses So Addictive

Since its debut in 2022, Slow Horses has redefined what a spy drama can be. Based on Mick Herron’s Slough House novels, the series combines the bleak humour of The Thick of It with the moral ambiguity of Tinker Tailor Soldier Spy. Instead of glamorous agents and sleek gadgets, it offers malfunctioning printers, lukewarm instant coffee, and an office full of disgraced spooks trying not to die of boredom — until the bullets start flying.

Gary Oldman’s performance anchors it all. His Jackson Lamb is part genius, part disaster: an unshaven cynic who reeks of whisky and fried onions but sees every move three steps ahead. Critics have called his portrayal “career-defining,” and with his recent knighthood, Oldman brings an even greater gravitas — and wicked sense of humour — to the role.

A Legacy of Critical Success

Each season of Slow Horses has received near-universal acclaim. Reviewers praise its mix of dark comedy, intricate plotting, and sharp dialogue. The series has earned BAFTA nominations and a loyal international fan base, drawn by its unflinching depiction of failure within British intelligence — and its refusal to take itself too seriously.

Season 6 was hailed as the most ruthless yet, with betrayals that hit dangerously close to home. Season 7, according to early whispers, raises the stakes even higher. Expect deeper psychological tension, tighter storytelling, and even more of Lamb’s savage one-liners.

Behind the Scenes

The creative reins remain in steady hands. Gaby Chiappe, who oversaw the acclaimed previous seasons, continues as showrunner and lead writer, ensuring continuity of tone — wry, world-weary, and razor-smart. Directors are expected to rotate between returning veterans and a few fresh talents from the BBC and Channel 4 stables.

Production has reportedly resumed in London, with location shoots around Camden, Soho, and the show’s trademark grimy office building that fans affectionately call “the House of Losers.”

When Will It Air?

While Apple TV+ hasn’t set a release date yet, filming schedules suggest a mid-to-late 2025 premiere. Given that the streamer shot seasons 5 and 6 back-to-back, season 7 could arrive sooner than expected. As usual, the new instalment will span six tightly woven episodes, each around an hour long.

Why Fans Can’t Wait

With its biting humour, lived-in characters, and effortlessly tense storytelling, Slow Horses has become the anti-Bond audiences didn’t know they needed. It’s less about saving the world and more about surviving bureaucracy — and sometimes, your own mistakes.

Season 7 promises to dive even deeper into that world: darker, funnier, and more explosive than ever. Whether you watch for the thrill, the politics, or just to hear Jackson Lamb insult everyone in sight, one thing’s certain — the horses aren’t slowing down anytime soon.