🧠 Slow Horses Quiz

Mick Herron worked as an editor before becoming a novelist, and the Slough House series was initially overlooked by major publishers before finding success.

Slow Horses was one of Apple TV+'s early prestige drama commissions and has been renewed for multiple series, becoming one of the platform's most critically acclaimed shows.

Gary Oldman reportedly underwent a significant physical transformation for the role, gaining weight and adopting a deliberately unkempt appearance to embody the grubby, shambling Jackson Lamb.

Jack Lowden, best known for roles in Dunkirk and Benediction, has said the role of River Cartwright in Slow Horses is one of the most complex characters he's played.

David Cartwright, affectionately known as 'the Old Bastard,' was such a celebrated spook that his grandson River's posting to Slough House feels all the more humiliating by contrast.

Hassan Ahmed's kidnapping in season 1 is orchestrated to exploit media outrage, with the Slough House misfits racing to prevent a live-streamed execution that could inflame racial tensions across Britain.

In the novels, Slough House is described as a grimy building on Aldersgate Street, just a short walk from the Barbican's brutalist towers — a deliberately unglamorous address for MI5's cast-offs.

Catherine Standish's sobriety is a central part of her character — she previously worked as personal assistant to the head of MI5 before her drinking led to her exile in Slough House.

Despite being one of Slough House's most irritating residents, Roderick 'Roddy' Ho considers himself the best hacker in MI5 — a self-assessment his colleagues would strongly dispute.

Dickie Bow's seemingly mundane death on a London bus turns out to be anything but natural, pulling Slough House into a web of Cold War secrets and long-buried Soviet sleeper agents.