Dr Belvedere is a fictional character portrayed by John Boswall in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled Wasps' Nest (season 3), they were 70 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
Wasps' Nest
episode S3.E5 january 1991Poirot realizes that a murder is being plotted, and with the help of Hastings' latest hobby, he sets out to prevent it.