Michelle Trachtenberg

Biography

Michelle Christine Trachtenberg (October 11, 1985 – February 26, 2025) was an American television and film actress. She is known for her roles as Dawn Summers in the television series Buffy the Vampire Slayer (2000–03) and as Georgina Sparks in Gossip Girl (2007–2012), and in the films Harriet the Spy (1996); Inspector Gadget (1999); EuroTrip (2004); Ice Princess (2005); Black Christmas (2006) and 17 Again (2009).

Known For

Law & Order

Criminal Minds

House

Watch What Happens Live with Andy Cohen

NCIS: Los Angeles

Law & Order: Criminal Intent

Gossip Girl

Robot Chicken

All Movies (33)

• Spyral2024 · as Michelle Cody White (voice)
• Unicorn Boy2023 · as Violet (voice)
• Sister Cities2016 · as Dallas Baxter
• The Christmas Gift2015 · as Megan
• The Scribbler2014 · as Alice
• Killing Kennedy2013 · as Marina Oswald
• Sexy Evil Genius2013 · as Miranda Prague
• Take Me Home Tonight2011 · as Kitchelle Storms
• DC Showcase Original Shorts Collection2010 · as Bar Girl (segment "Jonah Hex") (voice)
• Teenage Paparazzo2010 · as Self (uncredited)
• DC Showcase: Jonah Hex2010 · as Bar Girl (voice)
• Cop Out2010 · as Ava
• 17 Agan: Going Back to 172009 · as Self
• 17 Again: Zac Goes Back2009 · as Self
• 17 Again2009 · as Maggie O'Donnell
• Against the Current2009 · as Suzanne
• The Circuit2008 · as Kylie Shines
• Dragonlance: Dragons of Autumn Twilight2008 · as Tika (voice)
• May All Your Christmases Be Black2007 · as Self
• Black Christmas2006 · as Melissa Kitt
• Beautiful Ohio2006 · as Sandra
• The Dive from Clausen's Pier2005 · as Carrie Beal
• Mysterious Skin2005 · as Wendy Peterson
• Ice Princess2005 · as Casey Carlyle
• EuroTrip2004 · as Jenny
• Can't Be Heaven2000 · as Julie
• A Father's Choice2000 · as Kelly McClain
• Inspector Gadget1999 · as Penny
• Richie Rich's Christmas Wish1998 · as Gloria
• A Holiday for Love1996 · as Noelle Murphy
• Harriet the Spy1996 · as Harriet M. Welsch
• Melissa1995 · as Lena
• The Hill— · as Maggie Rogers

All TV Shows (42)

• Meet, Marry, Murder2021 · as Self - Host
• Gossip Girl2021 · as Georgina Sparks
• Celebrity Wheel of Fortune2021 · as Self - Contestant
• Human Kind Of2018 · as Judy (voice)
• Guidance2015 · as Anna
• Last Week Tonight with John Oliver2014 · as Voice Over (voice)
• Sleepy Hollow2013 · as Abigail Adams
• Hollywood Game Night2013 · as Self
• Love Bites2011 · as Jodie
• Mercy2009 · as Chloe Payne
• NCIS: Los Angeles2009 · as Lily Lockhart
• The Super Hero Squad Show2009 · as Valkyrie
• Watch What Happens Live with Andy Cohen2009 · as Self - Guest
• Late Night with Jimmy Fallon2009 · as Self
• Gossip Girl2007 · as Georgina Sparks
• The Hills2006 · as Self
• Criminal Minds2005 · as Diane Turner
• Weeds2005 · as Emma Karlin
• Robot Chicken2005 · as Gummy Bear / Wife / Woman (voice)
• House2004 · as Melinda Bardach
• Best Week Ever2004
• On Air with Ryan Seacrest2004 · as Self
• Punk'd2003 · as Self
• Jimmy Kimmel Live!2003 · as Self
• Truth or Scare2001 · as Self - Host
• Law & Order: Criminal Intent2001 · as Lisa Willow Tyler
• Six Feet Under2001 · as Celeste
• The Wonderful World of Disney1997
• Meego1997 · as Maggie Parker
• The View1997 · as Self
• Figure It Out1997 · as Self
• Buffy the Vampire Slayer1997 · as Dawn Summers
• Blue's Clues1996
• The Rosie O'Donnell Show1996 · as Self - Guest
• Space Cases1996
• MADtv1995 · as Self
• The Adventures of Pete & Pete1993 · as Nona Mecklenberg
• Dave's World1993 · as Angela
• Late Night with Conan O'Brien1993 · as Self - Guest
• Clarissa Explains It All1991 · as Elsie Soaperstein
• Law & Order1990 · as Dinah Driscoll (uncredited)
• Reading Rainbow1983 · as Self - Narrator (voice)