Luigi is a fictional character portrayed by Joseph Long in the TV series Agatha Christie's Poirot.
They appear in 1 episodes out of a total of 70 aired
Episodes1
The Yellow Iris
episode S5.E3 january 1993A man celebrates the two-year anniversary of his wife's sudden death by cyanide while in Argentina - a death which Poirot himself had witnessed, but could not solve at the time.