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