From Scranton, Pennsylvania, USA • 1938 - 2020
John Patrick Mahon (February 3, 1938 – May 3, 2020) was an American film, stage and television actor. He was perhaps best known for playing Captain Gillette in the 2007 film Zodiac. (Via Wikipedia)
The People Under the StairsFilm • 1991
Someone's Watching Me!Film • 1978
The ExorcistFilm • 1973