Marcy Warton (Traveler 3569), is the medic for the show's main team of Travelers. Marcy was a a mentally disabled woman her personality was overwritten by Traveler 3569. She works as a cleaner in a library. The fact that she was mentally disabled was unknown to The Director and others in the future due to fake social media profiles created as an exercise with her social worker David Mailer to help teach her about the world. The fake social profile stated she was a librarian and David was a reporter she had met while he was doing research for a newspaper story.