Ahead of Slow Horses season 6's debut, former MI5 Second Desk Diana Taverner has recently had a surprising change in her role during the season 5 finale which may be a benefit to the team at Slough House . From the very first season back in 2022, Diana Taverner has revealed herself to be ambitious.

However, despite her ambitions, Diana has often been forced to stand by and watch others leading the agency to a lesser standard. But, after many close calls and missed opportunities, Slow Horses season 5 finally shook up the leadership in MI5 with Diana taking on a new position.

Diana Taverner Has Been Promoted To MI5 First Desk

Diana Taverner and Claude Whelan in Slow Horses Season 5

Claude Whelan was promoted to become the First Desk in MI5 back in season 4, but from the beginni

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