Actress Michelle Trachtenberg, best known for her roles in "Buffy the Vampire Slayer" and "Gossip Girl," has died, ABC News and People have confirmed. She was 39. Video above: Remembering those we ...

Everyone can identify with her," said Debby Beece, president of Nickelodeon Movies in 1996.In 2000 Trachtenberg joined the cast of "Buffy ... Under," "Weeds" and "Gossip Girl," where she played ...