Miss Grosvenor is a fictional character portrayed by Laura Haddock in the TV series Agatha Christie's Marple.
In the first episode they appeared in, titled A Pocket Full of Rye (season 4), they were 23 years old.
They appear in 1 episodes out of a total of 23 aired
Episodes1
A Pocket Full of Rye
episode S4.E1 july 2009A detestable businessman is murdered while at work, and a handful of rye is found in his pockets. Soon after, members of his household fall victim to a killer intent on recreating scenes from a popular nursery rhyme.