Janet Ruth Montgomery (born 29 October 1985) is an English film and TV actress. She is known for her role as Ames in the second season of Fox's Human Target, and also for her appearances in The Hills Run Red and Wrong Turn 3: Left for Dead, as well as her role as Eric Murphy's assistant Jennie in HBO's Entourage. She played protagonist Martina Garretti in the short-lived Made in Jersey. From 2014 to 2017, she starred as the lead character, Mary Sibley, in the WGN America series Salem. She is also known for her role as Sarah Elliot, the mother of Gardner Elliot, in the 2017 film The Space Between Us. She has played the role of Lauren Bloom on the NBC drama New Amsterdam since 2018.