Margo Harshman

Margo Harshman, born in San Diego, is an American actress who first came to television in 2000 as Tawny Dean on the Disney Channel sitcom Even Stevens, playing the best friend of the show's lead, Louis. She appeared in 47 episodes across its three seasons and returned to the part for The Even Stevens Movie (2003), earning two Young Artist Award nominations in 2005, for supporting work in the series and in the movie. She played Alex Jensen, assistant to Sheldon Cooper, on The Big Bang Theory from 2012, and a year later took the role of Delilah Fielding, an intelligence analyst, on NCIS. Her films include Sorority Row (2009), College Road Trip (2008) and Fired Up! (2009), and she shared the 2009 ShoWest Female Stars of Tomorrow award with her Sorority Row castmates. She also starred on the short-lived shows Run of the House and on Center of the Universe.