Person
Patrick Thomas O'Brien
Acting · Born 1951-01-26 · Wisconsin, USA
Known for
CSI: Crime Scene Investigation
Edward Cormier
Gilmore Girls
Brian's Dad
ER
Carmichael
The West Wing
Hanson
Married... with Children
Wally
Monk
Brent Donovan
It's Always Sunny in Philadelphia
Associate
Night Court
Ernie Carter
Babylon 5
Cart Owner
Malcolm in the Middle
Dad Driver
Filmography
- 2026AlbatrossLee
- 2025Unholy CommunionFather Doyle
- 2023Rescuing ChristmasChuck
- 2021Sold OutWayne
- 2020Saved by the BellMr. Dewey
- 2018Fairy TailPriest
- 2008The Curious Case of Benjamin ButtonDr. Rose
- 2008Uncross the StarsPriest
- 2005It's Always Sunny in PhiladelphiaAssociate
- 2004Win a Date with Tad Hamilton!Father Newell
- 2004Drake & JoshMinister
- 2003Intolerable CrueltyBailiff
- 2003CarnivàleClark
- 2003Dickie Roberts: Former Child StarMr. Gertrude
- 2003InhabitedMr. Kelly
- 2002Co-IncidenceTowny
- 2002Catch Me If You CanMr. Hendricks
- 2002MonkBrent Donovan
- 2001RebaMr. Devaney
- 2001State of GraceBill
- 2000CSI: Crime Scene InvestigationEdward Cormier
- 2000Gilmore GirlsBrian's Dad
- 2000Son of the Beach
- 2000Malcolm in the MiddleDad Driver
- 1999Stuart LittleUncle Stretch
- 1999RoswellMinister
- 1999The West WingHanson
- 1998FelicityDan Waldron
- 1998PleasantvilleRoy
- 1998Dead Man on CampusPriest
- 1997WorkingCarl
- 1997Kiss the GirlsReporter
- 1997Union SquareKenny
- 1997Dharma & GregRoger
- 1997Eight Days a WeekErica's Father
- 1996Sabrina, the Teenage WitchIndex Man
- 19967th HeavenProfessor Valentine
- 1996Boston CommonRon
- 1995Girl in the CadillacTicket man
- 1995Caroline in the CityCouncilman Hardy
- 1995The Naked TruthLab Man
- 1995Forget ParisAngry Fan
- 1995SlidersJake
- 1995The Brady Bunch MovieAuctioneer
- 1995CybillTweedy Man
- 1994ERCarmichael
- 1994Wagons East!Stranger
- 1994Babylon 5Cart Owner
- 1993AirborneUncle Louis
- 1993Lois & Clark: The New Adventures of SupermanBarker
- 1993Saved by the Bell: The New ClassMr. Dewey
- 1993The John Larroquette ShowMr. Hunter
- 1992The Larry Sanders ShowCarl Henckel
- 1991Marilyn and MeCasting Director
- 1991Step by StepReverend
- 1991Home ImprovementInk Ingram
- 1990Camp CucamongaVirgil
- 1990Parker Lewis Can't LoseMr. Kubiac
- 1989Family MattersMr. Denton
- 1989Saved by the BellMr. Dewey
- 1989UHFSatan
- 1989Baywatch
- 1988The Wonder YearsMr. Santa
- 1987Jake and the Fatman
- 1987Married... with ChildrenWally
- 1984Night CourtErnie Carter
- 1982The PersonalsJay
- 1979The Facts of Life
- —The Autopsy of Albert KemperCoroner
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