- 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 — S2E6
Episode: Old Scores
Air Date: 2022-12-30
Runtime: 49 min
Overview
Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.