Olivia d'Abo's film debut was the supporting role of Princess Jehnna in Conan the Destroyer, released in June 1984. Two months later, she appeared in the supporting role of the peasant girl Paloma in Bolero (1984). She then guest starred in films and TV until her major role in "The Wonder Years" came along.
In 1992, she guest starred in the Star Trek: The Next Generation episode "True Q" as Amanda Rogers.
Olivia made five appearances recurring villain Nicole Wallace in the NBC police procedural drama series Law & Order: Criminal Intent between 2002 and 2008. She reprised the character in the 2013 episode "The Catacombes" of the French police procedural series Jo, a show created by René Balcer, who also created Criminal Intent.
In 2007, Olivia played Abby Carter, the ex-wife of Sheriff Jack Carter, in the Sci-Fi Channel series Eureka for two episodes. She has had numerous supporting roles in other television series and films, such as The Spirit of '76 (1990), Greedy (1994), The Big Green (1995), and The Twilight Zone (2002).
On stage, she appeared in the 2005 Broadway production of The Odd Couple with Matthew Broderick and Nathan Lane.
In animation, Olivia is the voices of Sonya Blade in Mortal Kombat: Defenders of the Realm (1996); Melanie Walker/Ten in Batman Beyond (1999–2000); Star Sapphire in Justice League (2001); and Morgaine le Fey in Justice League Unlimited (2004); Tak in Invader Zim (2001–2002); Jane Porter in The Legend of Tarzan; Jedi Master Luminara Unduli in Star Wars: The Clone Wars (2008); Carol Ferris in Green Lantern: First Flight (2009); and Natalia Romanoff in Ultimate Avengers and Ultimate Avengers 2: Rise of the Panther (both 2006).
Olivia current has many VO works in production and will be seen this year in "Purity Falls" for Netflix.
Star Trek: The Next Generation
Conan the Destroyer