Slow Horses
| Slow Horses | |
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| Genre | |
| Created by | Will Smith | 
| Based on | Slough House by Mick Herron | 
| Written by | 
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| Directed by | 
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| Starring | |
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| Country of origin | 
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| Original language | English | 
| No. of series | 4 | 
| No. of episodes | 24 | 
| Production | |
| Executive producers | 
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| Producer | Jane Robertson | 
| Cinematography | Danny Cohen | 
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| Running time | 40–53 minutes | 
| Production companies | 
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| Original release | |
| Network | Apple TV+ | 
| Release | 1 April 2022 – present | 
Slow Horses is a British spy thriller television series based on the Slough House series of novels by Mick Herron, created by Will Smith. It follows an MI5 unit where disgraced or failed agents are consigned, under the supervision of Jackson Lamb (Gary Oldman). It also stars Jack Lowden, Kristin Scott Thomas, Sophie Okenedo, Jonathan Pryce, Saskia Reeves, Rosalind Eleazar, and Christopher Chung.
The series premiered on Apple TV+ on 1 April 2022 to highly positive reviews. The first four series have been based on the novels Slow Horses, Dead Lions, Real Tigers, and Spook Street respectively. It has been renewed for fifth and sixth series based on the novels London Rules, Joe Country, and Slough House. The fifth series is slated to premiere on 24 September 2025.