Aarti Mann as Priya Koothrappali
Aarti Mann played the character of Priya Koothrappali in The Big Bang Theory, who had a more prominent role than her parents. Introduced in season four, Priya is Raj’s younger sister and a law student. Despite Raj’s objections, she starts dating Leonard, but their relationship is complicated by her disapproval of his friendship with Penny. Although Leonard severs ties with Penny to make the relationship work, Priya’s parents are not supportive, and she eventually returns to India. Fans continue to see her via video chat for several more episodes until she and Leonard struggle to remain faithful and ultimately end their relationship for good.