Actress Michelle Trachtenberg’s death was ruled “undetermined” Thursday morning after her family objected to an autopsy, according to a spokeswoman for the city medical examiner’s office and

Michelle Trachtenberg was set to make upcoming appearance at a benefit screening of her last film, 'Spyral', at the SXSW festival on March 12 before her death. Jennifer Hutchins, the producer of the film,

Trachtenberg had a decades-long career, starring in a slew of iconic roles, including Dawn Summers on “Buffy the Vampire Slayer,” Georgina Sparks on “Gossip Girl,” and Casey Carlyle in the 2005 film “Ice Princess.” Most notably, perhaps, she starred in 1996’s “Harriet the Spy” alongside Rosie O’Donnell.

Academy Awards took place Sunday in Los Angeles, where several late movie stars were remembered by their grieving peers.

Last week, actress Michelle Trachtenberg, best known for projects such as Harriet the Spy, Ice Princess, Buffy the Vampire Slayer,

Michelle Trachtenberg's cause of death was ruled "undetermined" by the Office of Chief Medical Examiner in New York City, Fox News Digital confirmed.

Fans of Ice Princess aren’t the only ones paying tribute to the late star. HellmouthCon, an annual fandom event that celebrates the Buffy the Vampire Slayer and Angel universes, plans to honor Trachtenberg at their upcoming gathering on the weekend of June 13.

Michelle Trachtenberg’s former “Buffy the Vampire Slayer” costar Sarah Michelle Gellar is looking back at their time together on screen and off, one day after Trachtenberg died in New York City.