'Best spy thriller on TV' confirms season 6 plot – back very soon
Slow Horses season 6 plot revealed, September return date

The acclaimed spy thriller Slow Horses has confirmed its season 6 plot and premiere date, with the new season arriving on Wednesday, September 16.

Season 6 Details

Based on Mick Herron's novels, the Apple TV series stars Gary Oldman as Jackson Lamb, leading a team of misfit MI5 agents. The new season sees the Slow Horses on the run after Diana Taverner (Kristin Scott Thomas) involves them in a deadly game of retaliation and revenge.

The season is expected to adapt Herron's sixth and seventh books, Joe Country and Slough House. Joe Country follows the agents to a snowbound region of Wales to settle a deadly score.

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Cast and Crew

Returning cast includes Jack Lowden as River, Christopher Chung as Roddy Ho, Saskia Reeves as Catherine Standish, Aimee-Ffion Edwards as Shirley Dander, Rosalind Eleazar as Louisa Guy, and Tom Brooke as JK Coe. Newcomer Lenny Rush, a BAFTA-winning actor, joins the cast.

Gaby Chiappe adapted the season for television, with Adam Randall directing.

Critical Acclaim

Season 5 of Slow Horses earned a 100% Rotten Tomatoes score. Metro's five-star review praised the series as 'a bit of a triumph' with a brilliant cast, engaging story, and sharp dialogue.

Slow Horses streams exclusively on Apple TV.

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