Women in Music 2016

Robin Williams Autopsy Confirms Death by Suicide

Jay Paul/Getty Images
Robin Williams photographed backstage before his performance at the Ted Constant Convocation Center on October, 26, 2009 in Norfolk, Virginia. 

Robin Williams' death was ruled a suicide, Marin County officials confirmed on Friday. Official autopsy results revealed Williams' death was caused by asphyxia and hanging.

Williams died at 63 on Aug. 11 at his home in Tiburon, Calif. in Marin County. Toxicology reports reveal that he had antidepressants, caffeine and levodopa, a drug used to treat Parkinson's disease in his system. Williams had battled severe depression for years and had recently been diagnosed with Parkinson's, his widow revealed after his death.

Robin Williams' 10 Best Musical Moments

Williams' assistant found the comedian partially clothed, hanging by a belt in a closet door frame, Lt. Keith Boyd said. The actor, who was being treated for severe depression, also had cuts on his wrist. Nearby, police found a pocketknife with a dried red substance that appeared consistent with blood. 

The Marin Sheriff's Office drew criticism for releasing these details about Williams' death but said the disclosure was necessary under the California Public Records Act. The final autopsy report was originally scheduled to be released Sept. 30 but had been delayed twice.

Williams won the Oscar for best supporting actor for his performance as an avuncular psychologist in Good Will Hunting and acquired four Academy Award nominations in a career that straddled film and television

His most recent TV show on CBS, The Crazy Ones, with Sarah Michelle Gellar, was canceled after one season.

This article was originally published by The Hollywood Reporter.