# Katherine Grey — The Mystery of the Blue Train character guide

> Katherine Grey in The Mystery of the Blue Train by Agatha Christie.

**Role:** major

**Also known as:** Miss Grey, Miss Katherine Grey, Katherine, Mademoiselle Katherine

**First appearance:** 0004-iii-heart-of-fire

## Who they are

A sensible young woman who becomes a key witness and friend to Poirot.

## Links

- HTML: https://www.betterreads.online/discover/the_mystery_of_the_blue_train_se/characters/katherine_grey
- Book: https://www.betterreads.online/discover/the_mystery_of_the_blue_train_se
- All characters: https://www.betterreads.online/discover/the_mystery_of_the_blue_train_se/characters