Michelle Trachtenberg
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.
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Full Filmography
All Credits (68)
The Hill
as Maggie Rogers
Spyral
as Michelle Cody White (voice)
Unicorn Boy
as Violet (voice)
Meet, Marry, Murder
as Self - Host
Gossip Girl
as Georgina Sparks
Celebrity Wheel of Fortune
as Self - Contestant
Human Kind Of
as Judy (voice)
Sister Cities
as Dallas Baxter
The Christmas Gift
as Megan
Guidance
as Anna
The Scribbler
as Alice
Last Week Tonight with John Oliver
as Voice Over (voice)
Killing Kennedy
as Marina Oswald
Hollywood Game Night
as Self
Sexy Evil Genius
as Miranda Prague
Love Bites
as Jodie
Take Me Home Tonight
as Ashley
DC Showcase Original Shorts Collection
as Bar Girl (segment "Jonah Hex") (voice)
Teenage Paparazzo
as Self (uncredited)
DC Showcase: Jonah Hex
as Bar Girl (voice)
Cop Out
as Ava
NCIS: Los Angeles
as Lily Lockhart
The Super Hero Squad Show
as Valkyrie
Watch What Happens Live with Andy Cohen
as Self - Guest
17 Again
as Maggie O'Donnell
Late Night with Jimmy Fallon
as Self
Against the Current
as Suzanne
The Circuit
as Kylie Shines
Dragonlance: Dragons of Autumn Twilight
as Tika (voice)
Gossip Girl
as Georgina Sparks
May All Your Christmases Be Black
as Self
Black Christmas
as Melissa Kitt
Beautiful Ohio
as Sandra
The Hills
as Self
Criminal Minds
as Diane Turner
Weeds
as Emma Karlin
The Dive from Clausen's Pier
as Carrie Beal
Mysterious Skin
as Wendy Peterson
Robot Chicken
as Gummy Bear / Wife / Woman (voice)
House
as Melinda Bardach
Best Week Ever
as Unknown
On Air with Ryan Seacrest
as Self
Punk'd
as Self
Jimmy Kimmel Live!
as Self
Truth or Scare
as Self - Host
Law & Order: Criminal Intent
as Lisa Willow Tyler
Six Feet Under
as Celeste
A Father's Choice
as Kelly McClain
Can't Be Heaven
as Julie
Inspector Gadget
as Penny
Richie Rich's Christmas Wish
as Gloria
The Wonderful World of Disney
as Unknown
The View
as Self
Figure It Out
as Self
Buffy the Vampire Slayer
as Dawn Summers
A Holiday for Love
as Noelle Murphy
Blue's Clues
as Unknown
Harriet the Spy
as Harriet
The Rosie O'Donnell Show
as Self - Guest
Space Cases
as Unknown
MADtv
as Self
Melissa
as Lena
The Adventures of Pete & Pete
as Nona Mecklenberg
Dave's World
as Angela
Late Night with Conan O'Brien
as Self - Guest
Clarissa Explains It All
as Elsie Soaperstein
Law & Order
as Dinah Driscoll (uncredited)
Reading Rainbow
as Self - Narrator (voice)