Celestine

In the short story The Jewel Robbery at the Grand Metropolitan, Celestine was the French maid of Mrs Opalsen. When an expensive pearl necklace belonging to Mrs Opalsen was stolen during a stay at the Grand Metropolitan Hotel in Brighton, Celestine before one of two prime suspects for the theft.

Portrayals
Celestine was played by Hermione Norris in the film adaptation of The Jewel Robbery at the Grand Metropolitan in Series 5 of ITV's Agatha Christie's Poirot drama series. There she was also the prime suspect. When Poirot solved the crime and collected the reward for the recovery of the pearls, he gave the reward to Celestine because it was something she had said which put him on the right track.

In the NHK's anime adaptation The Jewel Robbery at the Grand Metropolitan, the character of Celestine is voiced by Keiko Nemoto.