Samantha Mathis is an American actress and trade union leader who served as the Vice President, Actors/Performers of SAG-AFTRA from 2015 to 2019. 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), Jack and Sarah (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.

Bibi Besch was an Austrian-American film, television, and stage actress. She is best known for her portrayal of Dr. Carol Marcus in the science fiction film Star Trek II: The Wrath of Khan (1982). Her other notable film roles were in Who's That Girl (1987), Steel Magnolias (1989), and Tremors (1990). Besch also appeared in a number of television productions, including the television film The Day After (1983) and The Jeff Foxworthy Show, and received two Primetime Emmy Award nominations.