Career
Trachtenberg made her first television appearance at the age of three, in a commercial for Wisk Detergent. She went on to feature in over 100 more commercials. She appeared in her first credited role as Nona F. Mecklenberg on the Nickelodeon series The Adventures of Pete & Pete from 1994 until 1996. During the same period she played Lily Montgomery on the soap opera All My Children, in which she first worked with future Buffy star Sarah Michelle Gellar. Trachtenberg's film career began in 1996 with the titular role in Harriet the Spy. (TV series) The Adventures of Pete & Pete, 1994—96, All My Children, 1993—96, Buffy the Vampire Slayer, 2000—03, Six Feet Under, 2004, Robot Chicken, 2006—07, Gossip Girl, 2008—; (films) Harriet the Spy, 1996, Richie Rich's Christmas Wish, 1998, Inspector Gadget, 1999, Can't Be Heaven, 2000, EuroTrip, 2004, Mysterious Skin, 2004, Ice Princess, 2005, Beautiful Ohio, 2006, Black Christmas, 2006, Seventeen Again, 2008, (voice) Dragonlance: Dragons of Autumn Twilight, 2008, 17 Again, 2009; (TV films) Christmas in My Hometown, 1996, A Father's Choice, 2000, The Dive from Clausen's Pier, 2005, The Hill, 2007, (guest appearance): (TV series) Law & Order, 1991, Clarissa Explains It All, 1993, Dave's World, 1996, Meego, 1997, House M.D., 2006, Law & Order: Criminal Intent, 2006.