The former soap star died on Sept. 15 in Austin, Texas, ' The Independent' reports. Miller's death, which came two days before his birthday, was confirmed by his manager. "The actor was struggling with manic depression when he died.", Billy Miller's manager, via statement. The circumstances of Miller's death have yet to be revealed. The actor won three Daytime Emmys for his portrayal of Billy Abbott on 'The Young and the Restless'. He was also known for playing Jason Morgan and Drew Cain on 'General Hospital' from 2014 to 2019.