Sarah Rafferty (born December 6, 1972) is an American television and film actress. She is known mainly for her role as Donna on the USA Network legal drama Suits.
Sarah Rafferty has appeared in many other television series. Other roles include the 2007 TV movie What If God Were the Sun? and the 2011 movie Small, Beautifully Moving Parts.
Sarah Rafferty grew up as the youngest of four children (all girls) in the Riverside neighborhood of Greenwich, Connecticut. She credits her mother, the Chairwoman of the English Department at Convent of the Sacred Heart school, and her father, who enjoys two successful careers in finance and oil painting, for cultivating her passion for the arts.
Sarah Rafferty majored in English and Theatre at Hamilton College, studied theatre abroad in London and at the University of Oxford during her junior year, and, after graduating magna cum laude from Hamilton, went on to study at the Yale School of Drama, receiving a Master of Fine Arts. She met her husband, stock analyst Aleksanteri Olli-Pekka ‘Santtu’ Seppälä, at Yale University, and they were married on June 23, 2001, at the Roman Catholic church of St. Mary in Greenwich, Connecticut. The couple have two daughters, Oona (b. 2007) and Iris (b. 2011).