Fans of the thrilling spy drama Slow Horses can mark their calendars for its much-anticipated return. The series will make its comeback with Season 6 on September 16, 2026, as announced by Apple TV. This new season promises to deliver more of the gripping storytelling and complex characters that viewers have come to love.
Quick answer
- Premiere Date: September 16, 2026
- New Star: Lenny Rush joins the cast
- Weekly Episodes: New episodes will be released weekly until October 21, 2026
- Plot Overview: The Slow Horses are on the run, embroiled in high-stakes drama
- Adaptations: Based on Mick Herron's books "Joe Country" and "Slough House"
What to expect in Season 6?
This new season continues to intertwine espionage with personal stakes as the Slow Horses, led by the grumpy spymaster Jackson Lamb played by Gary Oldman, navigate perilous situations. The narrative follows them as they take flight, dragged into a web of retaliation and revenge, masterminded by Diana Taverner, portrayed by the talented Kristin Scott Thomas.
Who is in the cast?
Alongside the returning cast, the introduction of Lenny Rush, a BAFTA-winner for his role in Am I Being Unreasonable?, is highly anticipated. While the specifics of his character remain under wraps, he will join a robust ensemble that includes:
- Kristin Scott Thomas as Diana Taverner
- Gary Oldman as Jackson Lamb
- Jack Lowden
- Saskia Reeves
- Christopher Chung as Roddy Ho
- Aimee-Ffion Edwards
- Rosalind Eleazar
- Joanna Scanlan
- Samuel West
- Hugo Weaving
- Jonathan Pryce
Where can you watch Slow Horses?
Slow Horses will be available for streaming exclusively on Apple TV+. The first episode of Season 6 drops on September 16, with additional episodes scheduled weekly.
What's next for the series?
The popularity of Slow Horses has already paved the way for a seventh season, which is set to adapt the eighth book in Mick Herron's acclaimed series, Bad Actors. This is great news for fans eager to delve deeper into the lives and struggles of the Slough House team.
The upcoming season continues to build upon the established narrative while promising fresh content, driven by insights from both new and returning characters.
Conclusion
Set to premiere on September 16, 2026, Slow Horses Season 6 aims to enthrall audiences once more with its compelling mix of thriller elements and character-driven storytelling. Don't miss out on the chance to see Lenny Rush in action alongside a phenomenal cast!
For more details, check the original announcement on Deadline.

