J. Patrick McCormack is an actor, known for his many appearances in American television programmes and bit parts in movies.
Oyuncu
| 2008 | Kartal Göz as Pentagon General Council |
| 2007 | Charlie Wilson'ın Savaşı as Senator (uncredited) |
| 2007 | Zodiac as Police Commissioner |
| 2003 | Deadly Swarm as Dr. Schroeder |
| 2002 | Sıkıysa Yakala as Auctioneer |
| 2002 | Kaçıklar Üniversitesi as Dean Mooney |
| 2000 | Sıfırın Altında as Bob Yates |
| 2000 | Görünmeyen Tehlike as General Caster |
| 2000 | Murder, She Wrote: A Story to Die For as Joseph Brennan |
| 1999 | Diplomatic Siege as Dalton |
| 1998 | Komik Tuzak as Les Blake |
| 1998 | Armageddon as General Boffer |
| 1998 | Thanks of a Grateful Nation as Bert Tardino |
| 1998 | Babylon 5: Başlangıç as General Lefcourt |
| 1997 | Başkanın Adamları as Pilot |
| 1997 | Kayıp Dünya: Jurassic Park as Board Member (uncredited) |
| 1997 | Female Perversions as Wallace |
| 1996 | Playback as Jones |
| 1994 | Witch Hunt as Mr. Brown |
| 1994 | The Puppet Masters as Gidding |
| 1994 | Girls in Prison as Gordon Madison |
| 1992 | Folks! as Howard |
Duvar