In the short story The Third Floor Flat, Mildred Hope was a friend of Patricia Garnett, a young woman who lived on the fourth floor of Friar's Mansion, the building Poirot was living in.
Portrayals[]
Mildred Hope was played by Amanda Elwes in the film adaptation of The Third Floor Flat in Series 1 of ITV's Agatha Christie's Poirot.