Who is Louisa Guy in Slow Horses?

Stalled and seething · Slough House

Louisa Guy (Stalled and seething) is a character in Slow Horses, part of Slough House. Louisa Guy landed in Slough House after losing a tracked target — one mistake, career over — and has been doing penance with surveillance transcripts ever since. Sharp, restless, and angrier than she lets show, she shares long stakeout hours with Min Harper and something neither of them is calling anything. Louisa wants back in the game badly enough to be dangerous to herself.

When does Louisa Guy first appear?

Louisa Guy first appears in Season 1, Episode 1 of Slow Horses (2022–, Apple TV+).

Who is Louisa Guy connected to?

Relationships already established when Louisa Guy first appears — nothing from later episodes.

• River Cartwright — Slow horses in harness

Which group does Louisa Guy belong to?

By the time Louisa Guy appears, Slough House also includes Jackson Lamb, River Cartwright, Catherine Standish, Roddy Ho, Min Harper.

Who else is introduced in this episode?

• Jackson Lamb — The slob who was a legend
• River Cartwright — The crashed golden boy
• Catherine Standish — The keeper of the files
• Roddy Ho — The insufferable genius
• Min Harper — The one who left a disk on a train
• Diana Taverner — Second desk, first ambition
• James 'Spider' Webb — The smiling careerist
• David Cartwright — The grandfather, the legend

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