Jennifer Love Hewitt(born February 21, 1979) is an American actress, producer and singer. Hewitt began her career as a child actress and singer, appearing in national television commercials before joining the cast of the Disney Channel seriesKids Incorporated(1989–1991) as well as performing as a backup singer. She received her breakthrough role as Sarah Reeves Merrin on the Fox teen dramaParty of Five(1995–1999) and rose to fame as a teen star for her role as Julie James in the horror filmI Know What You Did Last Summer(1997) and its 1998 sequel, as well as Amanda Beckett in the teen comedy filmCan't Hardly Wait(1998).
Hewitt starred alongside Sigourney Weaver in the romantic comedy filmHeartbreakers(2001) and alongside Jackie Chan in the action comedy filmThe Tuxedo(2002). From 2005 to 2010, Hewitt starred as Melinda Gordon on the CBS supernatural dramaGhost Whisperer, for which she received two Saturn Awards in 2007 and 2008. She later starred on the Lifetime drama seriesThe Client Listfrom 2012 to 2013, and was previously nominated for a Golden Globe Award for the pilot film. From 2014 to 2015, she starred as Special Agent Kate Callahan on the CBS crime dramaCriminal Minds. Since 2018, Hewitt has starred as Maddie Buckley on the Fox police procedural9-1-1.