Actor / Actress
New Release
Career overview
Patrick Thomas O'Brien is known for work in acting across film and television. New Release currently presents 26 verified screen credits connected to this profile. Selected work includes Unholy Communion (2025), Sold Out (2021), Monk (2002), CSI: Crime Scene Investigation (2000), The West Wing (1999), Gilmore Girls (2000), Married... with Children (1987), Baywatch (1989).
The recorded credits span 1979 to 2025, including 2 movies and 24 TV shows. The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.
Profile details
Known forActing
Movies2
TV shows24
Active years represented1979–2025
Place of birthWisconsin, USA
Also known as
Patrick T. O'Brien · Patrick O'Brien · P. O'Brien
Known for
MovieUnholy Communion
MovieSold Out
TV ShowMonk
TV ShowCSI: Crime Scene Investigation
TV ShowThe West Wing
TV ShowGilmore Girls
TV ShowMarried... with Children
TV ShowBaywatch
TV ShowIt's Always Sunny in Philadelphia
TV ShowER
TV ShowMalcolm in the Middle
TV ShowSabrina, the Teenage Witch
TV ShowBabylon 5
TV ShowHome Improvement
TV ShowNight Court
TV ShowFamily Matters
TV ShowThe Wonder Years
TV ShowFelicity
TV ShowLois & Clark: The New Adventures of Superman
TV ShowThe Facts of Life
TV ShowStep by Step
TV ShowSliders
TV ShowReba
TV Show7th Heaven
TV ShowCaroline in the City
TV ShowJake and the Fatman