Helen Marsden is a fictional character portrayed by Anna-Louise Plowman in the TV series Agatha Christie's Marple.
In the first episode they appeared in, titled Sleeping Murder (season 2), they were 33 years old.
They appear in 1 episodes out of a total of 23 aired
Episodes1
Sleeping Murder
episode S2.E1 february 2006Gwenda Halliday, a wealthy young Englishwoman recently emigrated from India, intuitively buys a seaside manor house, where she re-experiences a murder.