McManus, 26, will play a young CIA hopeful who must juggle her career ambitions with the feelings she harbors for her handler and another soon-to-be agent. The series follows a group of young backpackers who work secret missions for the CIA to fund their travels.
McManus starred on SVU last season as A.D.A. Kim Greylek. Before that, she held a recurring role on One Tree Hill in 2008.