Sister Theresa is a fictional character portrayed by Katie Boland in the TV series Murdoch Mysteries.
In the first episode they appeared in, titled Voices (season 4), they were 23 years old.
They appear in 1 episodes out of a total of 287 aired so far
Episodes1
Voices
episode S4.E10 august 2011When a convent tries to bury one of its most venerated members in the churchyard, they find another body in the plot and Murdoch is reunited with his sister.