Madeleine Stowe as Lillian

Madeleine Stowe starred in the original 1995 12 Monkeys film, as Dr. Kathryn Railly, and returns in season 2 as primary ‘Lillian’.

Madeleine Marie Stowe is an American actress. She appeared mostly on television before her breakthrough role in the 1987 crime-comedy film Stakeout. She went on to star in the films Revenge (1990), Unlawful Entry (1992), The Last of the Mohicans (1992), Blink (1993), Bad Girls (1994), 12 Monkeys (1995), The General’s Daughter (1999), and We Were Soldiers (2002). For her role in the 1993 independent film Short Cuts, she won the National Society of Film Critics Award for Best Supporting Actress.

external links:
ew.com announces Madeleine Stowe to guest-star
12 Monkeys Movie Star Madeleine Stowe Joins the 12 Monkeys TV Show

bio from wikipedia.org