who played nicole in law and order criminal intent
Olivia d'Abo Olivia Jane d'Abo (/ˈdɑːboʊ/; born 22 January 1969)[1] is an English-American actress, singer and songwriter. She is known for her role as Karen Arnold, Kevin Arnold's rebellious teenage hippie sister on The Wonder Years (1988–93), and recurring villain Nicole Wallace in Law & Order: Criminal Intent.