Elizabeth Claire Kemper (born May 2, 1980) is an American actress and comedian, best known for her roles of Erin Hannon in the sitcom The Office (2009–2013) and Kimmy Schmidt in the sitcom Unbreakable Kimmy Schmidt (2015–2019). She has also appeared in films, notably Bridesmaids (2011), 21 Jump Street (2012), Sex Tape (2014), and Home Sweet Home Alone (2021). In 2018, she released her debut book, My Squirrel Days. She earned two consecutive nominations for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series, and has also been nominated for a Critics' Choice Movie Award, two Critics' Choice Television Awards, three Satellite Awards, and seven Screen Actors Guild Awards.