Sven Hjerson is a fictional character portrayed by Andrew Havill in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled The Clocks (season 12), they were 39 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
The Clocks
episode S12.E4 june 2011Four clocks surround an unidentified corpse in a blind woman's house, and a young typist is summoned to the crime scene. However, Poirot is convinced that the complicated setup is merely hiding a simpler solution.