Jacob is a fictional character portrayed by Paul Herzberg in the TV series Agatha Christie's Poirot.
They appear in 1 episodes out of a total of 70 aired
Episodes1
Dumb Witness
episode S6.E4 october 1996An elderly woman confides to Poirot that she fears one of her relatives is trying to kill her for her money. He persuades her to disinherit her heirs, but she is murdered anyway.