James Callis

Slow Horses - Hello Goodbye

Impossible decisions are faced and sacrifices are made.

Role: Claude Whelan

Slow Horses - Grave Danger

Lamb questions David about France as River comes face to face with the enemy.

Role: Claude Whelan

Slow Horses - Returns

Taverner is desperate to hide dangerous secrets. River seeks answers at his grandfather's house.

Role: Claude Whelan

Slow Horses - Penny for Your Thoughts

River is trapped in France. Back at Slough House, the Dogs have come for Lamb.

Role: Claude Whelan

Slow Horses - A Stranger Comes to Town

A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.

Role: Claude Whelan

Slow Horses - Identity Theft

A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.

Role: Claude Whelan