Actress Margo Harshman, known for her role as Alex Jensen on The Big Bang Theory, appeared in four episodes of season 6. Her character, Sheldon's assistant, had a crush on Leonard. Harshman's time on the show was cut short as she pursued other opportunities. She went on to have a recurring role on NCIS and guest appearances on shows like Bones and CSI. In 2022, she had a small role on How I Met Your Father. Harshman has also appeared in movies and recently starred in the lead role of the upcoming film Exposure. She keeps her personal life private and was previously married to musician Austen Hooks.
