Maria Bello (born April 18, 1967) is an American actress and producer. Her first major film role was in 1998's Permanent Midnight. She followed this with a range of supporting and leading parts in films such as Payback (1999), Coyote Ugly (2000), The Cooler (2003), Secret Window (2004), Assault on Precinct 13, A History of Violence, Thank You for Smoking (all 2005), World Trade Center (2006), The Jane Austen Book Club (2007), The Mummy: Tomb of the Dragon Emperor (2008), Grown Ups (2010), Prisoners (2013), and Lights Out (2016).
Outside of film, Bello is best known for playing Anna Del Amico in the medical drama ER (1997–1998) and Jacqueline "Jack" Sloane in the police procedural drama NCIS (2017–2021). She received a Primetime Emmy Award nomination and won a Critics' Choice Award for her performance in the limited series Beef (2023). In 2009, The Guardian named her one of the best actors never to have received an Academy Award nomination.