filmography

• Alice (2008) (pre-production) .... Alice
• Veronika Decides to Die (2008) (pre-production) .... Veronika
• Quantum Quest: A Cassini Space Odyssey (2009) (post-production) (voice) .... Ranger
• Possession (2008) .... Jessica
• Suburban Girl (2007) .... Brett Eisenberg
• TMNT (2007) (voice) .... April O'Neil ... aka Teenage Mutant Ninja Turtles (USA: long title)
• The Air I Breathe (2007) .... Sorrow
• Happily N'Ever After (2006) (voice) .... Ella ... aka Es war k'einmal im Märchenland (Germany)
• The Return (2006/I) .... Joanna Mills
• The Grudge 2 (2006) .... Karen
• Southland Tales (2006) .... Krysta Now / Krysta Kapowski
• The Grudge (2004) .... Karen Davis ... aka Fluch, Der (Germany) ... aka The Juon (Japan)
• Harvard Man (2001) .... Cindy Bandolini
• It Girl, The (2001)
• Cruel Intentions (1999) .... Kathryn Merteuil
• Simply Irresistible (1999) .... Amanda Shelton
• She's All That (1999) (uncredited) .... Girl in Cafeteria
• "Hercules" (1998) TV Series (voice) .... Andromeda
  ... aka "Disney's Hercules" (1998) (USA)
• Small Soldiers (1998) (voice) .... Gwendy Doll
• Scream 2 (1997) .... Casey 'CiCi' Cooper
• I Know What You Did Last Summer (1997) .... Helen Shivers
• "Buffy the Vampire Slayer" (1997) TV Series .... Buffy Anne Summers
  ... aka "Buffy the Vampire Slayer: The Series" (1997)
  ... aka "Buffy" (1997)
• Beverly Hills Family Robinson (1997) (TV) .... Jane Robinson
• "All My Children" (1970) TV Series .... Kendall Hart (1993-95)
• "Swans Crossing" (1992) TV Series .... Sydney Orion Rutledge
• "Woman Named Jackie, A" (1991) (mini) TV Series .... Teenage Jacqueline Bouvier
  
  
• "Girl Talk" (1989) TV Series .... Herself
• High Stakes (1989) (as Sarah Gellar) .... Karen Rose
  ... aka Melanie Rose (1989)
• Funny Farm (1988) (uncredited) .... Madolyn Smith's Student
• Over the Brooklyn Bridge (1984) (uncredited) .... Phil's Daughter
  ... aka Across the Brooklyn Bridge (1984)
  ... aka My Darling Shiksa (1984)
• Invasion of Privacy, An (1983) (TV) .... Jennifer Bianchi

above info from imdb.com