Elizabeth Vassey (born August 9, 1972) is an American actress. She is best known for her roles as Emily Ann Sago on All My Children, Captain Liberty in The Tick, Wendy Simms in CSI: Crime Scene Investigation and Nikki Beaumont in the web series Nikki & Nora.
Vassey played teenager Emily Ann Sago on the soap opera All My Children from 1988 to 1991. From 2004 to 2005 she had a recurring role on the series Tru Calling as Dr. Carrie Allen. She appeared on the Two and a Half Men episode "The Last Thing You Want to Do Is Wind Up with a Hump" in 2003, and again in "Twanging Your Magic Clanger" and "The Crazy Bitch Gazette" (2010). In each season she played a different character.
From 2005 to 2010, Vassey had a recurring role as Wendy Simms on CSI: Crime Scene Investigation. Starting with the tenth season, Vassey was promoted to a regular cast member and began appearing in the show's opening credits. Entertainment Weekly reported on June 1, 2010, that Vassey would not be returning for the show's eleventh season. She guested in one episode of that season.