Emily Kathleen Anne Mortimer is a British-American actress. She began acting in stage productions and has since appeared in several film and television roles. In 2003, she won an Independent Spirit Award for her performance in Lovely and Amazing. She is also known for playing Mackenzie McHale in the HBO series The Newsroom, and as the voice actress of Sophie in the English-language version of Howl's Moving Castle (2004). She also starred in Scream 3 (2000), Match Point (2005), The Pink Panther (2006) and its 2009 sequel, Lars and the Real Girl (2007), Chaos Theory (2008), Harry Brown (2009), Shutter Island (2010), Hugo (2011), Mary Poppins Returns (2018), and Relic (2020). She created and wrote the series Doll & Em (2014-15) and wrote and directed the miniseries The Pursuit of Love (2021) based on the 1945 novel of the same name.