Related: Michelle Trachtenberg, ‘Buffy’ and ‘Harriet the Spy’ star, dies at 39 Officials at the time said no foul play was suspected, and the medical examiner’s office had listed her ...

In 2000 Trachtenberg joined the cast of “Buffy,” playing Dawn Summers, the younger sister of the title character played by Sarah Michelle Gellar between 2000 and 2003. Trachtenberg thanked ...