Claim: Sarah Michelle Gellar played Kathryn Merteuil in Cruel Intentions.

Sarah Michelle Prinze -LRB- née Gellar ; born April 14 , 1977 -RRB- is an American actress , producer , and entrepreneur . After being spotted by an agent at the age of four in New York City , she made her acting debut in the made-for-TV movie An Invasion of Privacy -LRB- 1983 -RRB- . Gellar went on to appear in numerous television series and commercials . Her first leading part was in the 1992 miniseries Swans Crossing , for which she was nominated for two Young Artist Awards , and her television breakthrough came in 1993 , when she originated the role of Kendall Hart on the ABC daytime soap opera All My Children , winning the 1995 Daytime Emmy Award for Outstanding Younger Actress in a Drama Series .   Gellar received widespread recognition for her portrayal of Buffy Summers on the WB series Buffy the Vampire Slayer -LRB- 1997 -- 2003 -RRB- , which earned her five Teen Choice Awards , a Saturn Award and a Golden Globe Award nomination . The character was widely popular during the airing of the show and became recognized as one of the 100 greatest female characters in U.S. television . Gellar also gained significant attention for her appearances in the slasher movies I Know What You Did Last Summer -LRB- 1997 -RRB- and Scream 2 -LRB- 1997 -RRB- , and for her portrayal of Kathryn Merteuil in Cruel Intentions -LRB- 1999 -RRB- . She appeared as Daphne Blake in Scooby-Doo -LRB- 2002 -RRB- , her biggest live action commercial success .   In 2004 , Gellar reprised her role as Daphne in the sequel Scooby-Doo 2 : Monsters Unleashed and portrayed Karen Davis in the horror remake The Grudge , both of which grossed more than US$ 180 million worldwide . She subsequently appeared in smaller scale movies such as The Return -LRB- 2006 -RRB- and Southland Tales -LRB- 2007 -RRB- , and provided her voice for TMNT -LRB- 2007 -RRB- . Her later film credits include The Air I Breathe -LRB- 2008 -RRB- , Possession -LRB- 2009 -RRB- and Veronika Decides to Die -LRB- 2009 -RRB- . She headlined the short lived television series Ringer -LRB- 2011 -- 2012 -RRB- and The Crazy Ones -LRB- 2013 -- 2014 -RRB- , which co-starred Robin Williams .   In October 2015 , Gellar co-founded Foodstirs , a food crafting brand and e-commerce startup selling baking kits for children .