Marina Teresa Squerciati (born April 30, 1984, in New York City, New York) is an American actress and writer. Squerciati has starred in film such as It's Complicated (2009) , Frances Haand (2012), Sparks (2013). She additionally has had Television roles in Gossip Girl for eight episodes as Alessandra Steele. Since January 2014, she has starred as Detective Kim Burgess in the NBC drama series Chicago P.D, with crossover roles in Chicago Fire (2012), Chicago Med (2015) and Chicago Justice (2017).