The actress, 39, was found dead in New York City Wednesday. Her roles included 'Harriet the Spy,' 'Gossip Girl' and 'Buffy the Vampire Slayer.' ...

The former Nickelodeon star also shared sweet photos of them on set Former Nickelodeon star Danny Tamberelli remembered his ...

The NYC Medical Examiner's Office confirmed to PEOPLE that Trachtenberg's family objected to an autopsy after her sudden ...