Ruth Van Rydock is a fictional character portrayed by Joan Collins in the TV series Agatha Christie's Marple.
In the first episode they appeared in, titled They Do It with Mirrors (season 4), they were 76 years old.
They appear in 1 episodes out of a total of 23 aired
Episodes1
They Do It with Mirrors
episode S4.E3 july 2009A reformatory for delinquent boys run by Miss Marple's philanthropic friend becomes the scene of arson and poisoning, and ultimately murder.