Olivia Sellerio

Olivia Jane d'Abo (/ˈdɑːboʊ/; born 22 January 1969) is a British actress and singer. She is known for her roles as Karen Arnold, Kevin Arnold's rebellious teenaged hippie sister in the ABC comedy-drama series The Wonder Years (1988–1993), as female serial killer Nicole Wallace in Law & Order: Criminal Intent, as Marie Blake on The Single Guy (1995–1997), and as Jane Porter in The Legend of Tarzan (2001–2003). Her film appearances include roles in Conan the Destroyer (1984) and Bank Robber (1993).