Zosia Marmet is an American actress who currently portrays "Shoshanna Shapiro" on the HBO series Girls. She starred as "Christine Ross" in the television series The Unit, held the reoccurring role of "Courtney" on United States of Tara, and portrayed "Kelsey" on NBC's Parenthood. Marmet joined the cast of Mad Men to play "Joyce Ramsay" on season 4 and served as the voice of "Amber" on High School USA! In addition to television, Marmet has held roles in a variety of films including: The Kids Are All Right, Greenberg, Cherry, Off the Ledge, and Spartan. Find out more about Marmet and Girls on the show’s official site.

More about Zosia Mamet at: IMDb Wikipedia