Elizabeth Leigh Vassey is an American actress. Her most notable roles include Emily Ann Sago on All My Children, Captain Liberty on The Tick, Wendy Simms on CSI: Crime Scene Investigation, Lou on Brotherly Love, and Nikki Beaumont on the web series Nikki & Nora.

The Tick is an American sitcom based on the character Tick from the comic book of the same title and starring Patrick Warburton as the title character. It aired on Fox from November 8, 2001 to January 31, 2002 and was produced by Columbia TriStar Television. With a pilot airing on November 8, the series ran nine episodes on broadcast television. It was released on DVD in 2003.