Patrick Thomas O'Brien
- Acting
- January 26, 1951 · Wisconsin, USA
Known for
Filmography
- Albatross · Lee
- Unholy Communion · Father Doyle
- Rescuing Christmas · Chuck
- Sold Out · Wayne
- Saved by the Bell · Mr. Dewey
- Fairy Tail · Priest
- The Curious Case of Benjamin Button · Dr. Rose
- Uncross the Stars · Priest
- It's Always Sunny in Philadelphia · Associate
- Win a Date with Tad Hamilton! · Father Newell
- Drake & Josh · Minister
- Intolerable Cruelty · Bailiff
- Carnivàle · Clark
- Dickie Roberts: Former Child Star · Mr. Gertrude
- Inhabited · Mr. Kelly
- Co-Incidence · Towny
- Catch Me If You Can · Mr. Hendricks
- Monk · Brent Donovan
- Reba · Mr. Devaney
- State of Grace · Bill
- CSI: Crime Scene Investigation · Edward Cormier
- Gilmore Girls · Brian's Dad
- Son of the Beach
- Malcolm in the Middle · Dad Driver
- Stuart Little · Uncle Stretch
- Roswell · Minister
- The West Wing · Hanson
- Felicity · Dan Waldron
- Pleasantville · Roy
- Dead Man on Campus · Priest
- Working · Carl
- Kiss the Girls · Reporter
- Union Square · Kenny
- Dharma & Greg · Roger
- Eight Days a Week · Erica's Father
- Sabrina, the Teenage Witch · Index Man, Cupid
- 7th Heaven · Professor Valentine
- Boston Common · Ron
- Girl in the Cadillac · Ticket man
- Caroline in the City · Councilman Hardy
- The Naked Truth · Lab Man
- Forget Paris · Angry Fan
- Sliders · Jake
- The Brady Bunch Movie · Auctioneer
- Cybill · Tweedy Man
- ER · Carmichael
- Wagons East! · Stranger
- Hart to Hart: Home Is Where the Hart Is · Desk Clerk
- Babylon 5 · Cart Owner
- Airborne · Uncle Louis
- Lois & Clark: The New Adventures of Superman · Barker
- Saved by the Bell: The New Class · Mr. Dewey
- The John Larroquette Show · Mr. Hunter
- The Larry Sanders Show · Carl Henckel
- Marilyn and Me · Casting Director
- Step by Step · Reverend
- Home Improvement · Ink Ingram
- Camp Cucamonga · Virgil
- Parker Lewis Can't Lose · Mr. Kubiac
- Family Matters · Mr. Denton
- Saved by the Bell · Mr. Dewey
- UHF · Satan
- Baywatch
- The Wonder Years · Mr. Santa
- Jake and the Fatman
- Married... with Children · Wally, Bob Thompson
- Night Court · Ernie Carter
- The Personals · Jay
- The Facts of Life
- The Autopsy of Albert Kemper · Coroner