Patrick Thomas O'Brien
Known For
CSI: Crime Scene Investigation
Monk
Gilmore Girls
ER
The West Wing
Malcolm in the Middle
Married... with Children
Married... with Children
All Movies (28)
- Albatross2026 · as Lee
- Unholy Communion2025 · as Father Doyle
- Rescuing Christmas2023 · as Chuck
- Sold Out2021 · as Wayne
- Fairy Tail2018 · as Priest
- The Curious Case of Benjamin Button2008 · as Dr. Rose
- Uncross the Stars2008 · as Priest
- Win a Date with Tad Hamilton!2004 · as Father Newell
- Intolerable Cruelty2003 · as Bailiff
- Dickie Roberts: Former Child Star2003 · as Mr. Gertrude
- Inhabited2003 · as Mr. Kelly
- Co-Incidence2002 · as Towny
- Catch Me If You Can2002 · as Mr. Hendricks
- Stuart Little1999 · as Uncle Stretch
- Pleasantville1998 · as Roy
- Dead Man on Campus1998 · as Priest
- Kiss the Girls1997 · as Reporter
- Eight Days a Week1997 · as Erica's Father
- Girl in the Cadillac1995 · as Ticket man
- Forget Paris1995 · as Angry Fan
- The Brady Bunch Movie1995 · as Auctioneer
- Wagons East!1994 · as Stranger
- Airborne1993 · as Uncle Louis
- Marilyn and Me1991 · as Casting Director
- Camp Cucamonga1990 · as Virgil
- UHF1989 · as Satan
- The Personals1982 · as Jay
- The Autopsy of Albert Kemper— · as Coroner
All TV Shows (43)
- Saved by the Bell2020 · as Mr. Dewey
- It's Always Sunny in Philadelphia2005 · as Associate
- Drake & Josh2004 · as Minister
- Carnivàle2003 · as Clark
- Monk2002 · as Brent Donovan
- Reba2001 · as Mr. Devaney
- State of Grace2001 · as Bill
- CSI: Crime Scene Investigation2000 · as Edward Cormier
- Gilmore Girls2000 · as Brian's Dad
- Son of the Beach2000
- Malcolm in the Middle2000 · as Dad Driver
- Roswell1999 · as Minister
- The West Wing1999 · as Hanson
- Felicity1998 · as Dan Waldron
- Working1997 · as Carl
- Union Square1997 · as Kenny
- Dharma & Greg1997 · as Roger
- Sabrina, the Teenage Witch1996 · as Index Man
- Sabrina, the Teenage Witch1996 · as Cupid
- 7th Heaven1996 · as Professor Valentine
- Boston Common1996 · as Ron
- Caroline in the City1995 · as Councilman Hardy
- The Naked Truth1995 · as Lab Man
- Sliders1995 · as Jake
- Cybill1995 · as Tweedy Man
- ER1994 · as Carmichael
- Babylon 51994 · as Cart Owner
- Lois & Clark: The New Adventures of Superman1993 · as Barker
- Saved by the Bell: The New Class1993 · as Mr. Dewey
- The John Larroquette Show1993 · as Mr. Hunter
- The Larry Sanders Show1992 · as Carl Henckel
- Step by Step1991 · as Reverend
- Home Improvement1991 · as Ink Ingram
- Parker Lewis Can't Lose1990 · as Mr. Kubiac
- Family Matters1989 · as Mr. Denton
- Saved by the Bell1989 · as Mr. Dewey
- Baywatch1989
- The Wonder Years1988 · as Mr. Santa
- Jake and the Fatman1987
- Married... with Children1987 · as Wally
- Married... with Children1987 · as Bob Thompson
- Night Court1984 · as Ernie Carter
- The Facts of Life1979