Samantha Mathis (born May 12, 1970) is an American actress and trade union leader who serves as the Vice President, Actors/Performers of SAG-AFTRA. The daughter of actress Bibi Besch, Mathis made her film debut in Pump Up the Volume (1990), and later co-starred or appeared in such films as FernGully: The Last Rainforest (1992), Super Mario Bros. (1993), The Thing Called Love (1993), Little Women (1994), The American President (1995), Broken Arrow (1996), American Psycho (2000), The Punisher (2004), and Atlas Shrugged: Part II (2012). She has recently had recurring roles on The Strain as New York City Councilwoman Justine Feraldo, and on Billions as Taylor Mason Capital COO Sara Hammon.