Ellen Pierce is a fictional character portrayed by Mandy Siegfried in the TV series Elementary.
They appear in 1 episodes out of a total of 154 aired
Episodes1
The Man with the Twisted Lip
episode S2.E21 april 2014When Sherlock's brother Mycroft makes a surprise return to New York, his motivations cause discord between Sherlock and Joan. Meanwhile, a missing person case takes Sherlock and Joan inside the world of unmanned aeronautics.