Michelle Christine Trachtenberg (October 11, 1985 – February 26, 2025) was an American actress who achieved widespread recognition as both a child star and a prominent television and film performer. Beginning her career at the age of three in television commercials, she landed her first major credited television role in Nickelodeon's The Adventures of Pete & Pete (1994–1996) and transitioned to the big screen with the title role in the 1996 family comedy Harriet the Spy.
Trachtenberg rose to international prominence as a teenager and young adult through iconic television and film projects. She is best known for portraying Dawn Summers in the fantasy drama series Buffy the Vampire Slayer (2000–2003) and playing the memorable villain Georgina Sparks on the CW teen drama series Gossip Girl (2008–2012). Her diverse film credits also include the comedies EuroTrip (2004) and 17 Again (2009), as well as the Disney ice skating film Ice Princess (2005).
On February 26, 2025, Trachtenberg was found dead at the age of 39 in her New York City apartment. The New York City Office of Chief Medical Examiner later announced that she died from natural causes resulting from complications of diabetes mellitus.
as Maggie Rogers
as Michelle Cody White (voice)
as Violet (voice)
as Self - Host(13 eps)
as Georgina Sparks(2 eps)
as Self - Contestant(1 ep)
as Judy (voice)(21 eps)
as Dallas Baxter
as Megan
as Anna(30 eps)
as Alice
as Voice Over (voice)(1 ep)
as Marina Oswald
as Abigail Adams(1 ep)
as Self(1 ep)
as Miranda Prague
as Jodie(3 eps)
as Ashley
as Bar Girl (segment "Jonah Hex") (voice)
as Self (uncredited)
as Bar Girl (voice)
as Ava
as Chloe Payne(22 eps)
as Lily Lockhart(1 ep)
as Valkyrie (voice)(52 eps)
as Self - Guest(1 ep)
as Maggie O'Donnell
as Self(1 ep)
as Suzanne
as Kylie Shines
as Tika (voice)
as Georgina Sparks(28 eps)
as Melissa Kitt
as Sandra
as Self(1 ep)
as Diane Turner(2 eps)
as Emma Karlin(5 eps)
as Carrie Beal
as Wendy Peterson
as Casey Carlyle
as Gummy Bear / Wife / Woman (voice)(1 ep)
as Melinda Bardach(1 ep)
as Jenny
as Self(1 ep)
as Self(1 ep)
as Self(1 ep)
as Self - Host(20 eps)
as Lisa Willow Tyler(1 ep)
as Celeste(4 eps)
as Kelly McClain
as Julie
as Penny
as Gloria
as Maggie Parker(13 eps)
as Self(1 ep)
as Self(2 eps)
as Dawn Summers(66 eps)
as Noelle Murphy
as Harriet
as Self - Guest(1 ep)
as Self(1 ep)
as Lena
as Nona Mecklenberg(14 eps)
as Angela(1 ep)
as Self - Guest(1 ep)
as Elsie Soaperstein(1 ep)
as Dinah Driscoll (uncredited)(1 ep)
as Self - Narrator (voice)(1 ep)