John Mahon

John Mahon was born on Feb 02, 1938 in USA. John Mahon's big-screen debut came with The Exorcist directed by William Friedkin in 1973, strarring Language Lab Director. John Mahon is known for Zodiac directed by David Fincher, Jake Gyllenhaal stars as Robert Graysmith and Mark Ruffalo as Inspector David Toschi. The upcoming new movie John Mahon plays is A Call to Arms which will be released on Mar 13, 2009.

John Mahon was born on February 2, 1938 in Scranton, Pennsylvania, USA. He was an actor, known for Armageddon (1998), L.A. Confidential (1997) and Zodiac (2007). He was previously married to Margaret Jean Street and Deidre. He died on May 3, 2020 in Los Angeles, California, USA.