Michelle Trachtenberg—an actor known for her charming work across film and television since the 1990s, when she had her start as a child actor—has died in New York, according to reports. Trachtenberg, who was just 39, is survived by her longtime partner, talent agent Jay Cohen.
While the cause of Trachtenberg’s death is, for the moment, unknown, and her family has yet to make an official statement, Wednesday’s news represents a resounding loss for fans of her robust body of work, from her TV debut in Nickelodeon’s The Adventures of Pete & Pete to her memorable turns in Ice Princess and Buffy the Vampire Slayer.
Here, a look back at just some of Trachtenberg’s most beloved roles.
Harriet M. Welsch in Harriet the Spy (1996)
The incredible cast of this ’90s film based on the classic 1964 novel by Louise Fitzhugh (Rosie O’Donnell! Eartha Kitt! J. Smith Cameron!) was beautifully rounded out by a young Trachtenberg. In one of her earliest roles—the shoot began on Trachtenberg’s ninth birthday—she starred as the troublesome yet lovable, composition notebook-wielding amateur spy Harriet.