Mía Maestro (born June 19, 1978, Buenos Aires, Argentina) is an Argentine actress and singer-songwriter of Italian, Swiss-French, and Spanish descent. At age 18 she moved to Berlin to study classical vocal performance and Brechtian acting techniques, returning to Argentina two years later and making her film debut in Carlos Saura's Tango (1998), which earned Golden Globe and Academy Award nominations for Best Foreign Language Film. Her breakthrough in Hollywood came when J.J. Abrams cast her as Nadia Santos on Alias (2004–2006) after she originally met him hoping to land a role on Lost. She also released her debut music album Si Agua in 2014 and is an advocate for criminal justice reform through The Last Prisoner Project. Her notable film credits include Timecode (2000) (Samuel L. Jackson, Salma Hayek), Frida (2002) (Salma Hayek, Alfred Molina), The Motorcycle Diaries (2004) (Gael García Bernal, Rodrigo de la Serna), Poseidon (2006) (Kevin Bacon, Jennifer Connelly), The Box (2007) (Cameron Diaz, Frank Grillo), Visioneers (2008) (Zach Galifianakis, Judy Greer), The Twilight Saga: Breaking Dawn – Part 1 (2011) (Kristen Stewart, Robert Pattinson), Savages (2012) (Benicio Del Toro, Salma Hayek), Some Girl(s) (2013) (Anna Kendrick, Jai Courtney), and End of the Century (2019) (Luis Luque, Dolores Fonzi). On television she is best known for her role as Dr. Nora Martinez in The Strain (2014–2015) and Nadia Santos in Alias (2004–2006).