Diane Charteris is a fictional character portrayed by Fiona Mollison in the TV series Midsomer Murders.
In the first episode they appeared in, titled They Seek Him Here (season 10), they were 54 years old.
They appear in 1 episodes out of a total of 140 aired so far
Episodes1
They Seek Him Here
episode S10.E7 may 2008A film about the French Revolution is made in Midsomer. People lose their head in the guillotine, and it's not a film trick.