★ 8.4 
Acting
J. Patrick McCormack
J. Patrick McCormack is best known for The X-Files, Seinfeld, 24 and Mad Men.
Biography
J. Patrick McCormack is an actor, known for his many appearances in American television programmes and bit parts in movies.
Known for
Filmography
- 2011Harry's LawAttorney Ellis
- 2011Franklin & BashDon Lavetta
- 2007LifeMick Breem
- 2007Mad MenKenneth Dillon
- 2007Saving GracePastor Jason Cavanaugh
- 2006Happy HourP.F.
- 2006Heist
- 2004Boston LegalJudge Sean O'Byrne
- 2002Without a TraceGeorge Howard
- 2001The GuardianBen Kirkendall
- 2001The Division
- 200124Robert Franklin
- 2000Boston PublicHeadmaster Hopkins
- 1999The West WingJimmy Wendall
- 1997Knots Landing: Back to the Cul-de-SacSam Jacobson
- 1997Ally McBealSenator Foote
- 1997The PracticePierce Stanton
- 19963rd Rock from the SunVictor's Dad
- 19967th HeavenProfessor Townsend
- 1996RelativityFranklin Moreland
- 1996Arli$$Mayor Bard
- 1995JAGJudge Geary
- 1995The Naked TruthThe Maitre'd
- 1995Star Trek: VoyagerPrax
- 1995The Drew Carey ShowJonathan
- 1995CybillJerry
- 1994Babylon 5General Lefcourt
- 1994EllenReverend Engler
- 1994Rebel HighwayGordon Madison
- 1993The X-FilesBrent Tufeld
- 1993Star Trek: Deep Space NineAdmiral Bennett
- 1993Lois & Clark: The New Adventures of SupermanMr. McCarthy
- 1989SeinfeldLeland
- 1987Married... with ChildrenSenator Furman
Frequently asked questions
What movies and shows has J. Patrick McCormack been in?
J. Patrick McCormack is best known for The X-Files, Seinfeld, 24 and Mad Men.
Updated: October 31, 2026 ·