On screen, the star of Buffy, Gossip Girl, and Eurotrip, who died at 39, was full of life and meltingly vulnerable.

Michelle Trachtenburg's cause and manner of death have officially been released. The Office of Chief Medical Examiner in New York City, where Trachtenberg was found dead early Wednesday, ruled both the cause and manner of death as undetermined,

Michelle Trachtenberg’s family has objected to an autopsy, leaving the actor’s cause of death undetermined. The family cited religious reasons, the New York City Office of the Chief Medical Examiner told ABC News.