Mrs Castle is a fictional character portrayed by Rosalind March in the TV series Agatha Christie's Poirot.
They appear in 1 episodes out of a total of 70 aired
Episodes1
Evil Under the Sun
episode S8.E1 july 2003Poirot's rehabilitative health retreat on an island resort becomes an even more stimulating mental exercise when a flirtatious film star is found strangled on a nearby beach.