In the short story Murder in the Mews, Dr Brett was a police doctor. When called to examine the body of Barbara Allen, an apparent suicide victim, he noticed something unusual in the position of the body and so summoned Chief Inspector Japp.
Portrayals[]
Dr Brett was played by Barrie Cookson in the film adaptation of the story which was episode 2 of series 1 of ITV's Agatha Christie's Poirot drama series.