Slow Horses Season 6: Gary Oldman Returns! Release Date, & Cast

The shooting of Slow Horses Season 6 has already been completed by Apple TV+, good news for fans of spy thrillers. Gary Oldman returns as Jackson Lamb and the next season is going to be high-stakes action that will keep viewers engaged.

Season 6 of Slow Horses is officially green-lit

Critically acclaimed spy drama Slow Horses has been officially renewed on Apple TV+ to get a sixth season. It was announced in October 2024, soon after the finale of Season 4 was released on the platform. This is the kind of news that has delighted fans across the globe who have grown to adore the darkly comedic espionage thriller.

Slow Horses Season 6 — *Source: Apple TV*

READ: Only Murders in the Building Season 6: London Twist & Release Date

When Will Season 6 Release?

Season 6 has already completed its production, which is good news. The new season will be released in 2026, according to the filming schedule. This 6-episode season is part of the tradition of Apple TV+ to have a short turnaround between seasons, which is not usually more than a year.

Gary Oldman and the Cast Return

Academy Award winner Gary Oldman will recreate his Emmy and BAFTA nomination role as the popular Jackson Lamb. The leading characters will likely come back, which will include Jack Lowden as River Cartwright, Kristin Scott Thomas as Diana Taverner, and other Slough House favorite actors. Hugo Weaving has also confirmed that he will be back as Frank Harkniss.

What is the plot?

Season 6 will be full of action-packed series. According to Apple TV+, in Season 6, the Slow Horses are on the run as Diana Taverner throws the whole gang into a deadly game of vengeance and retaliation. The series will be an adaptation of the Slough House novels by Mick Herron.

Season 7 is already in production

Gary Oldman disclosed that Season 7 began shooting at the end of October 2025. The creator of the show, Will Smith, left the show after the 5th season, and they were replaced by a new creative team.