Remy "Thirteen" Hadley, M.D., is a fictional character on the Fox medical drama House, portrayed by Olivia Wilde. She is part of the new diagnostic team assembled by Dr. Gregory House after the disbanding of his previous team in the third-season finale. The character's nickname derives from the episode "The Right Stuff", when she is assigned the number during a competition for her position at the Princeton-Plainsboro Teaching Hospital.

Olivia Wilde is an American actress, director and producer. She played Remy "Thirteen" Hadley on the medical-drama television series House (2007–2012), and has appeared in the films Tron: Legacy (2010), Cowboys & Aliens (2011), The Incredible Burt Wonderstone (2013), and The Lazarus Effect (2015). She made her Broadway debut in 2017 as Julia in 1984.