Betty Johnson is a fictional character portrayed by Bonnie Langford in the TV series Agatha Christie's Marple.
In the first episode they appeared in, titled By the Pricking of My Thumbs (season 2), they were 41 years old.
They appear in 1 episodes out of a total of 23 aired
Episodes1
By the Pricking of My Thumbs
episode S2.E3 february 2006Miss Marple joins forces with Tommy and Tuppence Beresford to find the murderer of Tommy's Aunt Ada.