According to reports, the Marin County Sheriff’s Office suggested the cause of death was suicide by asphyxiation.
Williams won the Academy Award for Best Supporting Actor for his performance in "Good Will Hunting" (1997) at the 70th Academy Awards.
He is well known among South Korean movie lovers for films such as “Dead Poet Society” (1989), “Mrs. Doubtfire” (1993) and “Jumanji“ (1995).