Slow Horses star Saskia Reeves reveals 'very serious' news involving character Catherine in season 6

Slow Horses season 6 saw Catherine Standish finally discover the devastating secret Jackson Lamb has been keeping for decades. Actress Saskia Reeves reveals what comes next... SPOILERS.

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Sep 17, 2026 - 00:11
Slow Horses star Saskia Reeves reveals 'very serious' news involving character Catherine in season 6
Slow Horses season 6 saw Catherine Standish finally discover the devastating secret Jackson Lamb has been keeping for decades. Actress Saskia Reeves reveals what comes next... SPOILERS.
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