Susannah Henderson is a fictional character portrayed by Lucy Punch in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled After the Funeral (season 10), they were 28 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
After the Funeral
episode S10.E3 march 2006When a man disinherits his sole beneficiary and bequeaths his wealth to others just prior to his death, Poirot is called in to investigate.