Cast members of "Buffy the Vampire Slayer," "Gossip Girl" and more are remembering their co-star Michelle Trachtenberg​ after ...

Nicholas Brendon and Alyson Hannigan has shared emotional tributes to their late Buffy the Vampire Slayer co-star Michelle Trachtenberg. In the popular TV series, Trachtenberg played Dawn, the younger ...

Sarah Michelle Gellar and Alyson Hannigan chatted with ET on set of the 'Buffy the Vampire Slayer' episode, 'The Prom,’ in 1999. The 'How I Met Your Mother' star is proud of her success.

The NYPD confirmed to PEOPLE that Trachtenberg was found "unconscious and unresponsive" in her Manhattan apartment on ...

calling her the first Nickelodeon movie star -- as well as one of his close friends. Alyson Hannigan-- who appeared alongside Trachtenberg in numerous episodes of "Buffy the Vampire Slayer ...