Ketch graduated New York University and in March, 2012 was cast in a lead role of ABC drama pilot Gotham. Later in 2012 she replaced Jennifer Esposito in CBS series Blue Bloods as Detective Kate Lansing. Her other television credits include A Gifted Man, Law & Order: Special Victims Unit and The Good Wife. She made her feature film debut in 2013 comedy The Big Wedding.
From 2015 to 2016, Ketch had the recurring role in the CW comedy series Jane the Virgin. In 2016, she went to star in the CBS murder mystery summer drama series American Gothic.
