Marguerite Clayton is a fictional character portrayed by Caroline Langrishe in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled The Mystery of the Spanish Chest (season 3), they were 33 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
The Mystery of the Spanish Chest
episode S3.E8 february 1991Poirot is asked to protect a woman from her violent husband, but events take a turn when the husband soon becomes the victim of a gruesome murder.