The Recurring Cast
Character · Slough House · 9 books

Louisa Guy

Slow horse · Mick Herron

Louisa Guy is a slow horse, capable and tough.

Spoiler-free profile written for The Recurring Cast.

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Character facts

First appearance
Slow Horses (2010)
Latest appearance
Clown Town (2025)
Books
9 (9 major)
Series
Slough House
Author
Mick Herron
Circle
Slough House

Where to meet Louisa Guy

Louisa Guy first appears in Slow Horses (2010), in a major role, book 1 of the Slough House series.

Buy Slow Horses

Every book with Louisa Guy

In publication order, with the size of their role in each.

  1. 2010MSlow Horsesmajor role · Slough HouseBuy
  2. 2013MDead Lionsmajor role · Slough HouseBuy
  3. 2016MReal Tigersmajor role · Slough HouseBuy
  4. 2017MSpook Streetmajor role · Slough HouseBuy
  5. 2018MLondon Rulesmajor role · Slough HouseBuy
  6. 2019MJoe Countrymajor role · Slough HouseBuy
  7. 2021MSlough Housemajor role · Slough HouseBuy
  8. 2022MBad Actorsmajor role · Slough HouseBuy
  9. 2025MClown Townmajor role · Slough HouseBuy

Appears most often with

CharacterBooks together
Catherine StandishSlough House’s administrator, a recovering alcoholic9
Diana TavernerSecond desk at MI5, later First Desk9
Jackson LambHead of Slough House, a former Cold War field agent9
River CartwrightAgent exiled to Slough House after a training exercise goes wrong9
Roddy HoSlough House’s self-regarding computer expert9
Shirley DanderSlow horse with a temper7