Michelle Lynn Monaghan ( MON-ə-hən; born March 23, 1976) is an American actress. She has starred in the films Kiss Kiss Bang Bang (2005), Gone Baby Gone (2007), Made of Honor (2008), Eagle Eye (2008), Trucker (2008), Source Code (2011), Pixels (2015) and Patriots Day (2016). She also received recognition for her role in the action spy film series Mission: Impossible, making appearances in Mission: Impossible III (2006), Ghost Protocol (2011) and Fallout (2018). On television, Monaghan starred in the first season of the HBO anthology crime drama series True Detective (2014), earning a nomination for a Golden Globe Award. She has also starred in the drama series The Path (2016–2018), the miniseries Echoes (2022), and the third season of the anthology series The White Lotus (2025).