Gladys Hill

In the short story The Affair of the Pink Pearl, Gladys Hill is the parlourmaid of the the Kingston Bruces at the Laurels in Wimbledon. After a house guest loses a valuable pendant, Gladys was the one who found it, but the expensive pearl on it had been wrenched off.

According to Colonel Kingston Bruce, Gladys has worked for them for some years and they had alwyas found her perfectly honest.

This is an early occurence of one of Christie's favourite names for characters, Gladys, but not the first.

Portrayals
Gladys does appear in LWT's 1983 TV adaptation of The Affair of the Pink Pearl, but the actress who portrayed her is not credited.