Slow Horses season 5 is finally shaking up the formula when it comes to one of the leading characters, River Cartwright. The thrilling British crime drama adapted from the Slough House novels by Mick Herron is now in its fifth season, and making some big changes along the way.

With the rejects of MI5 getting a chance to prove why they deserve the respect of the agency as they face increasing threats and a lack of support, season 5 has made some notable changes to how the characters at Slough House are being portrayed.

River Cartwright Has Been A Protagonist For 4 Seasons In Slow Horses

River Cartwright (Jack Lowden) looking solemn in a club in Slow Horses season 5, episode 1.

From the beginning of the series back in 2022, River Cartwright, played by the incredible Jack Lowden

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