Michelle Trachtenberg
For the kids of the early 1990s, Michelle Trachtenberg was Nona on The Adventures of Pete & Pete and the star of Harriet The Spy (1996). From 2000 to 2003, she starred on Buffy the Vampire Slayer as Dawn Summers and played Georgina Sparks on Gossip Girl. More recently, she was in Killing Kennedy, The Scribbler, Sleepy Hollow and an episode of NCIS: Los Angeles. Trachtenberg plays Dallas in Sister Cities. (Getty)
