- Gary Oldman (Jackson Lamb)
- Jack Lowden (River Cartwright)
- Kristin Scott Thomas (Diana Taverner)
- Hugo Weaving (Frank Harkness)
- Saskia Reeves (Catherine Standish)
- Christopher Chung (Roddy Ho)
- Rosalind Eleazar (Louisa Guy)
- Aimee-Ffion Edwards (Shirley Dander)
Slow Horses — S3E5
Episode: Cleaning Up
Air Date: 2023-12-20
Runtime: 44 min
Overview
Taverner and Tearney face off for control of MI5. River and Louisa find themselves caught in the crossfire.