Olivia d'Abo

Olivia Jane d'Abo is a British actress and singer. She is known for her roles as Karen Arnold, Kevin Arnold's rebellious teenage 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 Jane Porter in The Legend of Tarzan (2001–2003). Her film appearances include roles in Conan the Destroyer (1984) and Bank Robber (1993).