Samantha Mathis portrayed Olivia in the episode "The Man Behind the Curtain".

Mathis' most famous role to date is that of Maria Castle, the wife of the protagonist Frank Castle, in the 2004 film The Punisher. She has also appeared on some of America's most popular TV shows including House M.D. and Law and Order: Criminal Intent.

Mathis co-starred with Christian Slater in the live-action films Pump Up the Volume and Broken Arrow, and had starring roles in Super Mario Bros. and the animated film FernGully: The Last Rainforest. Mathis also played the adult version of Kirsten Dunst's character of Amy March in the 1994 film version of Little Women.

Samantha was dating her The Thing Called Love co-star River Phoenix in 1993 and was with him the night that he fell unconscious from a drug overdose on the sidewalk outside West Hollywood's Viper Room.[source needed]

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