Elizabeth Anne "Lizzy" Caplan is an American actress from Los Angeles, California.
She is of Jewish descent. Lizzy is known for her film roles, such as Mean Girls (2004), Cloverfield (2008), Hot Tub Time Machine (2010), Bachelorette (2012) and The Interview (2014). She also starred in television roles, such as Related, The Class, True Blood, and Party Down. Lizzy can currently be seen playing the role of Virginia Johnson on the Showtime TV series Masters of Sex.