Aarti Mann as Priya Koothrappali
In the show, Indian-American actress Aart Majmudar (also known as Aarti Mann) plays the role of Priya Koothrappali, Raj Koothrapali’s younger sister. She unintentionally serves as the antagonist for the Penny-Leonard tandem. She is known to be the first generation of Indian Americans. She began her career as an actress in the mid-2000s and graduated with a degree in film writing and directing. She is also known to have roles for the shows Heroes, and Suits.
Sara Rue as Stephanie Barnett
Born on January 26, 1979, American actress Sara Rue is the daughter of Joan Schlackman (née Rue), a municipal employee and former actress, and Marc Schlackman, a stage manager. In the show, she portrays the character of Stephanie Barnett. A doctor and highly distinguished surgical resident who briefly dated Leonard once. Aside from her short appearance in The Big Bang Theory, Sara Rue is also known for her work as an actress for the American teenage comedy-drama series Popular, Less than Perfect, Rules of Engagement, and Bones.