Michelle Tractenberg, who starred in “Gossip Girl” and “Harriet the Spy,” was found dead in her luxury Midtown Manhattan apartment early Wednesday, police sources said. Tractenberg, 39, was found unconscious by her mother inside her Columbus Place apartment at 8 a.m. and died a short time later, the sources said.

Michelle Trachtenberg was found in her New York City apartment, and the death is not believed to be suspicious, police said.

Actress Michelle Trachtenberg has died at age 39. The Buffy and Gossip Girl star was found dead at her Midtown, Manhattan apartment at shortly after 8 a.m. Wednesday, according to Associated Press. Police responded to a 911 call at the luxury residential tower where "officers observed a 39-year-old female unconscious and unresponsive,