- 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)
- Aimee-Ffion Edwards (Shirley Dander)
Slow Horses — S1E4
Episode: Visiting Hours
Air Date: 2022-04-15
Runtime: 42 min
Overview
Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.