The Rev. William J. O'Malley, S.J. (born August 18, 1931) is an American author and actor. He was born in Buffalo, New York.[1] He graduated from the College of the Holy Cross in 1953.
O'Malley is best known for playing Father Joseph Dyer in the 1973 horror classic movie The Exorcist.
He taught theology, AP English and later an elective called The Problem of God/Morality/Marriage/Fatherhood at Fordham Preparatory School in the Bronx until June 2012. He was an associate professor of theology at Fordham University and later a professor of theology and the humanities at Seattle University.
In August 2019, O'Malley was accused of sexually assaulting a student multiple times while teaching in Rochester, New York in the late 1980s.[2]