Haylie Duff is an American actress, director, and singer. She played Cousin Amy in the Disney Channel series Lizzie McGuire. Duff has appeared in films such as Napoleon Dynamite, A Holiday Engagement, Home Invasion, Christmas Belle, and Sweet on You. She has also expanded her work in the film industry, directing films including The Neighbors Are Watching and Killer Nurses and producing the film Asylum of the Dead.