Emmanuelle Frederique Vaugier (/voʊʒiˈeɪ/, voh-zhee-AY; born June 23, 1976) is a Canadian film and television actress, and model. Vaugier has had recurring roles as Detective Jessica Angell on CSI: NY, Mia on Two and a Half Men, Dr. Helen Bryce on Smallville, FBI Special Agent Emma Barnes on Human Target, and as The Morrigan on Lost Girl. In feature films, Vaugier has appeared alongside Michael Caine and Robert Duvall in Secondhand Lions. She appeared as Addison Corday in Saw II and IV, and had a supporting role in the Josh Hartnett film 40 Days and 40 Nights.
Vaugier was born in Vancouver, British Columbia, the daughter of French immigrants. She grew up in a Roman Catholic, French-speaking household, and is fluent in French. She divides her time between Los Angeles and Vancouver. She attended Crofton House School, a girls private school, for 10 years until she transferred to Magee Secondary School, which offers a flexible academic program for professional and pre-professional student athletes, artists and musicians (SPARTS), for the last two years of high school. She has an older brother, Jason Vaugier.