According to his son, Joseph Mahon, Mahon died of natural causes at his Los Angeles home on May 3, though the family has only just announced the sad news this week.
Known for his roles in movies like The Exorcist and L.A. Confidential, Mahon has been working steadily in movies and television for almost five decades.
In 1973, he made his film debut by appearing in the classic horror movie The Exorcist from director William Friedkin.
More bad news is coming in this week as it’s been reported that veteran actor John Mahon has passed away.