# Halliday — The Big Four character guide

> Halliday in The Big Four by Agatha Christie.

**Role:** minor

**Also known as:** M. Halliday, This M. Halliday, John Halliday

**First appearance:** 0000-i-the-unexpected-guest

## Who they are

A man whose death is linked to the Big Four conspiracy.

## Links

- HTML: https://www.betterreads.online/discover/the_big_four_se/characters/halliday
- Book: https://www.betterreads.online/discover/the_big_four_se
- All characters: https://www.betterreads.online/discover/the_big_four_se/characters