- 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 — S4E2
Episode: A Stranger Comes to Town
Air Date: 2024-09-11
Runtime: 47 min
Overview
A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.