The actress, who died at age 39, made her feature debut in the 1996 movie, with filmmaker Bronwen Hughes telling The Hollywood Reporter, "She never had a false note."

Michelle Trachtenberg, the actress known for 'Harriet the Spy,' as well as TV shows like 'Buffy the Vampire Slayer' and 'Gossip Girl,' has died.

Michelle Trachtenberg, the actress who rose to fame as a child star with films like “Harriet the Spy” and went on to have memorable roles on TV shows including “Gossip Girl,” has died, according to an NYPD source.