(born November 9, 1962 in Vancouver, British Columbia) is a Canadian actress.
She started her career when she played in the musical Bye Bye Birdie at the age of thirteen, and knew that she belonged in front of the camera when she played in the CBC Halloween special Boo at the age of eighteen.
She is best known for her role as Dr. Janet Fraiser on Stargate SG-1 which she played from the show's beginning in 1997 through 2004 (and again as a guest appearance in 2006). She has also appeared on many other sci-fi series, including The X-Files, The Outer Limits, First Wave, Jeremiah, M.A.N.T.I.S., Kyle XY, Eureka and many others. She played a small role in the Babylon 5 direct-to-DVD movie Voices in the Dark as an ISN Reporter, mentioned only as Ms. Chambers. She played Lenore Molee in the 1994 TV movie "For the Love of Nancy," and she has also done voice acting work.
Most recently she has been acting on theatre in her native Vancouver—appearing in Kiss Me, Kate and The Taming of the Shrew in March 2006. In March 2007 she appeared in A Delicate Balance by Edward Albee, a role for which she was nominated for a Jessie Richardson Theatre Award.