Horace Trefusis is a fictional character portrayed by Bill Wallis in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled The Underdog (season 5), they were 56 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
The Underdog
episode S5.E2 january 1993Poirot investigates when the cruel CEO of a chemical company is bludgeoned to death in his home after the company's formula for a revolutionary new synthetic rubber is targeted by a thief.