Sarah Michelle Prinze, (born April 14, 1977) better known by her birth name of Sarah Michelle Gellar, is an American actress. She is best known for her role as the character Buffy Summers in the acclaimed television series Buffy the Vampire Slayer, for which she won the Saturn Award for Best Genre TV Actress and received a Golden Globe Award nomination. She won a Daytime Emmy Award for her role in All My Children. She has since become known as a film actress, starring in the family film Scooby-Doo (2002) as Daphne Blake, and the American remake of Japanese horror film The Grudge (2004) and its sequel The Grudge 2 (2006). Earlier establishing roles include the teen drama Cruel Intentions (1999), slasher I Know What You Did Last Summer (1997) and the independent film Harvard Man (2001). Most recently she played an ex-porn star in Richard Kelly's Southland Tales (2007) and as part of an ensemble cast in The Air I Breathe (2008). Her many horror roles have established Gellar as a "scream queen".