Margo Harshman is an American actress. Her Hollywood career started in the late ’90s. She became more active in the 2000s, gaining attention for her role as Tawny Dean in the show Even Stevens. Afterward, she starred as Brooke Franklin in the short-lived series Run of the House. In the next couple of years, she had guest appearances in such shows as Without a Trace, Everwood, and Grey’s Anatomy, to name a few. In the 2010s, she had recurring roles in Bent, The Big Bang Theory, and Betas. Since 2013, she’s been playing Delilah Fielding in the hit series NCIS.