Henry Horsham is a recurrent character in Christie's "espionage" stories. Horsham works for a intelligence agency of the British government although his exact department is never stated. He is introduced simply as "from Security". His specialty appears to be providing physical security to people in need of protection.
Appearances[]
- Passenger to Frankfurt (1970)
- Postern of Fate (1973) - here he poses as a gardener Angus Crispin who works at The Laurels in order to protect the Beresfords.