Slow Horses

Will Smith, creator and showrunner (Seasons 1–5) · Mick Herron, based on the novels by

Studio

See-Saw Films

Units

5 seasons aired to date, 6 episodes each (30 episodes); Season 6 premieres September 16, 2026

An Apple TV+ adaptation starring Gary Oldman as Jackson Lamb, adapting one Slough House novel per season: Slow Horses (Season 1, 2022), Dead Lions (Season 2, 2022), Real Tigers (Season 3, 2023), Spook Street (Season 4, 2024), and London Rules (Season 5, 2025). Created and written by Will Smith for its first five seasons; Season 6, premiering September 16, 2026, adapts two novels (Joe Country and Slough House) at once for the first time, with Gaby Chiappe as head writer.