Diana DeQuetteville is a fictional character portrayed by Raquel Cassidy in the TV series Midsomer Murders.
In the first episode they appeared in, titled The Dark Rider (season 15), they were 43 years old.
They appear in 1 episodes out of a total of 140 aired so far
Episodes1
The Dark Rider
episode S15.E1 february 2012The DeQuettevilles and the Fleetwoods have been enemies since the English Civil War. Now the DeQuettevilles are dying, each first seeing a headless horseman. Is the ancient feud to blame? Or is there a modern murderer at large?