Megan Ketch is an American actress. She debuted in the 2006 short film Settle Down Easy. Years later in 2011, she made her first television role in an episode of A Gifted Man. She next guest-starred in Law & Order: Special Victims Unit. Her first recurring role on television was as Det. Kate Lansing in Blue Bloods, which she played from 2012 to 2013. After this, she played Deena Lampard in The Good Wife, and then as Harriet Arnold in Under the Dome. She became further known for starring as Susanna Barnett/Sin Rostro in Jane the Virgin. Following this, she joined the main cast of American Gothic as Tessa Hawthorne. She next played Gaelle in two episodes of The Affair. This year, she appeared in an episode of Evil. As a movie actress, she had performances in the films The Big Wedding, Louder Than Bombs, and The Incredible Jessica James.