Elizabeth Claire Kemper is an American actress and comedian. She has been nominated for a Critics' Choice Movie Award, two Critics' Choice Television Awards, two Primetime Emmy Awards, three Satellite Awards, and seven Screen Actors Guild Awards. Kemper is best known for playing the roles of Erin Hannon in the sitcom The Office (2009–2013) and Kimmy Schmidt in the sitcom Unbreakable Kimmy Schmidt (2015–2019), the latter of which earned her two consecutive nominations for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series. She has also appeared in films, notably Bridesmaids (2011), 21 Jump Street (2012), Sex Tape (2014), and most recently in Home Sweet Home Alone (2021). In 2018, she released her debut book, My Squirrel Days.